20638487088

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{1361}}^1$

素因数の和:1528

約数の個数: 240

約数和(自身を含む): 61826519040

約数和(自身を除く): 41188031952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 43, 48, 62, 72, 79, 86, 93, 124, 129, 144, 158, 172, 186, 237, 248, 258, 279, 316, 344, 372, 387, 474, 496, 516, 558, 632, 688, 711, 744, 774, 948, 1032, 1116, 1264, 1333, 1361, 1422, 1488, 1548, 1896, 2064, 2232, 2449, 2666, 2722, 2844, 3096, 3397, 3792, 3999, 4083, 4464, 4898, 5332, 5444, 5688, 6192, 6794, 7347, 7998, 8166, 9796, 10191, 10664, 10888, 11376, 11997, 12249, 13588, 14694, 15996, 16332, 19592, 20382, 21328, 21776, 22041, 23994, 24498, 27176, 29388, 30573, 31992, 32664, 39184, 40764, 42191, 44082, 47988, 48996, 54352, 58523, 58776, 61146, 63984, 65328, 81528, 84382, 88164, 95976, 97992, 105307, 107519, 117046, 117552, 122292, 126573, 163056, 168764, 175569, 176328, 191952, 195984, 210614, 215038, 234092, 244584, 253146, 315921, 322557, 337528, 351138, 352656, 379719, 421228, 430076, 468184, 489168, 506292, 526707, 631842, 645114, 675056, 702276, 759438, 842456, 860152, 936368, 947763, 967671, 1012584, 1053414, 1263684, 1290228, 1404552, 1518876, 1684912, 1720304, 1814213, 1895526, 1935342, 2025168, 2106828, 2527368, 2580456, 2809104, 3037752, 3333089, 3628426, 3791052, 3870684, 4213656, 4623317, 5054736, 5160912, 5442639, 6075504, 6666178, 7256852, 7582104, 7741368, 8427312, 9246634, 9999267, 10885278, 13332356, 13869951, 14513704, 15164208, 15482736, 16327917, 18493268, 19998534, 21770556, 26664712, 27739902, 29027408, 29997801, 32655834, 36986536, 39997068, 41609853, 43541112, 53329424, 55479804, 59995602, 65311668, 73973072, 79994136, 83219706, 87082224, 110959608, 119991204, 130623336, 143322827, 159988272, 166439412, 221919216, 239982408, 261246672, 286645654, 332878824, 429968481, 479964816, 573291308, 665757648, 859936962, 1146582616, 1289905443, 1719873924, 2293165232, 2579810886, 3439747848, 5159621772, 6879495696, 10319243544, 20638487088]

約数ペア:

[(1, 20638487088), (2, 10319243544), (3, 6879495696), (4, 5159621772), (6, 3439747848), (8, 2579810886), (9, 2293165232), (12, 1719873924), (16, 1289905443), (18, 1146582616), (24, 859936962), (31, 665757648), (36, 573291308), (43, 479964816), (48, 429968481), (62, 332878824), (72, 286645654), (79, 261246672), (86, 239982408), (93, 221919216), (124, 166439412), (129, 159988272), (144, 143322827), (158, 130623336), (172, 119991204), (186, 110959608), (237, 87082224), (248, 83219706), (258, 79994136), (279, 73973072), (316, 65311668), (344, 59995602), (372, 55479804), (387, 53329424), (474, 43541112), (496, 41609853), (516, 39997068), (558, 36986536), (632, 32655834), (688, 29997801), (711, 29027408), (744, 27739902), (774, 26664712), (948, 21770556), (1032, 19998534), (1116, 18493268), (1264, 16327917), (1333, 15482736), (1361, 15164208), (1422, 14513704), (1488, 13869951), (1548, 13332356), (1896, 10885278), (2064, 9999267), (2232, 9246634), (2449, 8427312), (2666, 7741368), (2722, 7582104), (2844, 7256852), (3096, 6666178), (3397, 6075504), (3792, 5442639), (3999, 5160912), (4083, 5054736), (4464, 4623317), (4898, 4213656), (5332, 3870684), (5444, 3791052), (5688, 3628426), (6192, 3333089), (6794, 3037752), (7347, 2809104), (7998, 2580456), (8166, 2527368), (9796, 2106828), (10191, 2025168), (10664, 1935342), (10888, 1895526), (11376, 1814213), (11997, 1720304), (12249, 1684912), (13588, 1518876), (14694, 1404552), (15996, 1290228), (16332, 1263684), (19592, 1053414), (20382, 1012584), (21328, 967671), (21776, 947763), (22041, 936368), (23994, 860152), (24498, 842456), (27176, 759438), (29388, 702276), (30573, 675056), (31992, 645114), (32664, 631842), (39184, 526707), (40764, 506292), (42191, 489168), (44082, 468184), (47988, 430076), (48996, 421228), (54352, 379719), (58523, 352656), (58776, 351138), (61146, 337528), (63984, 322557), (65328, 315921), (81528, 253146), (84382, 244584), (88164, 234092), (95976, 215038), (97992, 210614), (105307, 195984), (107519, 191952), (117046, 176328), (117552, 175569), (122292, 168764), (126573, 163056)]