20852842920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{4909}}^1$

素因数の和:5332

約数の個数: 256

約数和(自身を含む): 77208768000

約数和(自身を除く): 56355925080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 389, 390, 420, 455, 520, 546, 728, 778, 780, 840, 910, 1092, 1167, 1365, 1556, 1560, 1820, 1945, 2184, 2334, 2723, 2730, 3112, 3640, 3890, 4668, 4909, 5057, 5446, 5460, 5835, 7780, 8169, 9336, 9818, 10114, 10892, 10920, 11670, 13615, 14727, 15171, 15560, 16338, 19636, 20228, 21784, 23340, 24545, 25285, 27230, 29454, 30342, 32676, 34363, 35399, 39272, 40456, 40845, 46680, 49090, 50570, 54460, 58908, 60684, 63817, 65352, 68726, 70798, 73635, 75855, 81690, 98180, 101140, 103089, 106197, 108920, 117816, 121368, 127634, 137452, 141596, 147270, 151710, 163380, 171815, 176995, 191451, 196360, 202280, 206178, 212394, 255268, 274904, 283192, 294540, 303420, 319085, 326760, 343630, 353990, 382902, 412356, 424788, 446719, 510536, 515445, 530985, 589080, 606840, 638170, 687260, 707980, 765804, 824712, 849576, 893438, 957255, 1030890, 1061970, 1276340, 1340157, 1374520, 1415960, 1531608, 1786876, 1909601, 1914510, 2061780, 2123940, 2233595, 2552680, 2680314, 3573752, 3819202, 3829020, 4123560, 4247880, 4467190, 5360628, 5728803, 6700785, 7638404, 7658040, 8934380, 9548005, 10721256, 11457606, 13367207, 13401570, 15276808, 17868760, 19096010, 22915212, 24824813, 26734414, 26803140, 28644015, 38192020, 40101621, 45830424, 49649626, 53468828, 53606280, 57288030, 66836035, 74474439, 76384040, 80203242, 99299252, 106937656, 114576060, 124124065, 133672070, 148948878, 160406484, 173773691, 198598504, 200508105, 229152120, 248248130, 267344140, 297897756, 320812968, 347547382, 372372195, 401016210, 496496260, 521321073, 534688280, 595795512, 695094764, 744744390, 802032420, 868868455, 992992520, 1042642146, 1390189528, 1489488780, 1604064840, 1737736910, 2085284292, 2606605365, 2978977560, 3475473820, 4170568584, 5213210730, 6950947640, 10426421460, 20852842920]

約数ペア:

[(1, 20852842920), (2, 10426421460), (3, 6950947640), (4, 5213210730), (5, 4170568584), (6, 3475473820), (7, 2978977560), (8, 2606605365), (10, 2085284292), (12, 1737736910), (13, 1604064840), (14, 1489488780), (15, 1390189528), (20, 1042642146), (21, 992992520), (24, 868868455), (26, 802032420), (28, 744744390), (30, 695094764), (35, 595795512), (39, 534688280), (40, 521321073), (42, 496496260), (52, 401016210), (56, 372372195), (60, 347547382), (65, 320812968), (70, 297897756), (78, 267344140), (84, 248248130), (91, 229152120), (104, 200508105), (105, 198598504), (120, 173773691), (130, 160406484), (140, 148948878), (156, 133672070), (168, 124124065), (182, 114576060), (195, 106937656), (210, 99299252), (260, 80203242), (273, 76384040), (280, 74474439), (312, 66836035), (364, 57288030), (389, 53606280), (390, 53468828), (420, 49649626), (455, 45830424), (520, 40101621), (546, 38192020), (728, 28644015), (778, 26803140), (780, 26734414), (840, 24824813), (910, 22915212), (1092, 19096010), (1167, 17868760), (1365, 15276808), (1556, 13401570), (1560, 13367207), (1820, 11457606), (1945, 10721256), (2184, 9548005), (2334, 8934380), (2723, 7658040), (2730, 7638404), (3112, 6700785), (3640, 5728803), (3890, 5360628), (4668, 4467190), (4909, 4247880), (5057, 4123560), (5446, 3829020), (5460, 3819202), (5835, 3573752), (7780, 2680314), (8169, 2552680), (9336, 2233595), (9818, 2123940), (10114, 2061780), (10892, 1914510), (10920, 1909601), (11670, 1786876), (13615, 1531608), (14727, 1415960), (15171, 1374520), (15560, 1340157), (16338, 1276340), (19636, 1061970), (20228, 1030890), (21784, 957255), (23340, 893438), (24545, 849576), (25285, 824712), (27230, 765804), (29454, 707980), (30342, 687260), (32676, 638170), (34363, 606840), (35399, 589080), (39272, 530985), (40456, 515445), (40845, 510536), (46680, 446719), (49090, 424788), (50570, 412356), (54460, 382902), (58908, 353990), (60684, 343630), (63817, 326760), (65352, 319085), (68726, 303420), (70798, 294540), (73635, 283192), (75855, 274904), (81690, 255268), (98180, 212394), (101140, 206178), (103089, 202280), (106197, 196360), (108920, 191451), (117816, 176995), (121368, 171815), (127634, 163380), (137452, 151710), (141596, 147270)]