20098260

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1$

素因数の和:447

約数の個数: 192

約数和(自身を含む): 77145600

約数和(自身を除く): 57047340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 52, 54, 60, 63, 65, 70, 78, 84, 90, 91, 105, 108, 117, 126, 130, 135, 140, 156, 180, 182, 189, 195, 210, 234, 252, 260, 270, 273, 315, 351, 364, 378, 390, 409, 420, 455, 468, 540, 546, 585, 630, 702, 756, 780, 818, 819, 910, 945, 1092, 1170, 1227, 1260, 1365, 1404, 1636, 1638, 1755, 1820, 1890, 2045, 2340, 2454, 2457, 2730, 2863, 3276, 3510, 3681, 3780, 4090, 4095, 4908, 4914, 5317, 5460, 5726, 6135, 7020, 7362, 8180, 8190, 8589, 9828, 10634, 11043, 11452, 12270, 12285, 14315, 14724, 15951, 16380, 17178, 18405, 21268, 22086, 24540, 24570, 25767, 26585, 28630, 31902, 34356, 36810, 37219, 42945, 44172, 47853, 49140, 51534, 53170, 55215, 57260, 63804, 73620, 74438, 77301, 79755, 85890, 95706, 103068, 106340, 110430, 111657, 128835, 143559, 148876, 154602, 159510, 171780, 186095, 191412, 220860, 223314, 239265, 257670, 287118, 309204, 319020, 334971, 372190, 386505, 446628, 478530, 515340, 558285, 574236, 669942, 717795, 744380, 773010, 957060, 1004913, 1116570, 1339884, 1435590, 1546020, 1674855, 2009826, 2233140, 2871180, 3349710, 4019652, 5024565, 6699420, 10049130, 20098260]

約数ペア:

[(1, 20098260), (2, 10049130), (3, 6699420), (4, 5024565), (5, 4019652), (6, 3349710), (7, 2871180), (9, 2233140), (10, 2009826), (12, 1674855), (13, 1546020), (14, 1435590), (15, 1339884), (18, 1116570), (20, 1004913), (21, 957060), (26, 773010), (27, 744380), (28, 717795), (30, 669942), (35, 574236), (36, 558285), (39, 515340), (42, 478530), (45, 446628), (52, 386505), (54, 372190), (60, 334971), (63, 319020), (65, 309204), (70, 287118), (78, 257670), (84, 239265), (90, 223314), (91, 220860), (105, 191412), (108, 186095), (117, 171780), (126, 159510), (130, 154602), (135, 148876), (140, 143559), (156, 128835), (180, 111657), (182, 110430), (189, 106340), (195, 103068), (210, 95706), (234, 85890), (252, 79755), (260, 77301), (270, 74438), (273, 73620), (315, 63804), (351, 57260), (364, 55215), (378, 53170), (390, 51534), (409, 49140), (420, 47853), (455, 44172), (468, 42945), (540, 37219), (546, 36810), (585, 34356), (630, 31902), (702, 28630), (756, 26585), (780, 25767), (818, 24570), (819, 24540), (910, 22086), (945, 21268), (1092, 18405), (1170, 17178), (1227, 16380), (1260, 15951), (1365, 14724), (1404, 14315), (1636, 12285), (1638, 12270), (1755, 11452), (1820, 11043), (1890, 10634), (2045, 9828), (2340, 8589), (2454, 8190), (2457, 8180), (2730, 7362), (2863, 7020), (3276, 6135), (3510, 5726), (3681, 5460), (3780, 5317), (4090, 4914), (4095, 4908)]