20055512

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:192

約数の個数: 64

約数和(自身を含む): 42301440

約数和(自身を除く): 22245928

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 67, 68, 71, 124, 134, 136, 142, 248, 268, 284, 527, 536, 568, 1054, 1139, 1207, 2077, 2108, 2201, 2278, 2414, 4154, 4216, 4402, 4556, 4757, 4828, 8308, 8804, 9112, 9514, 9656, 16616, 17608, 19028, 35309, 37417, 38056, 70618, 74834, 80869, 141236, 147467, 149668, 161738, 282472, 294934, 299336, 323476, 589868, 646952, 1179736, 2506939, 5013878, 10027756, 20055512]

約数ペア:

[(1, 20055512), (2, 10027756), (4, 5013878), (8, 2506939), (17, 1179736), (31, 646952), (34, 589868), (62, 323476), (67, 299336), (68, 294934), (71, 282472), (124, 161738), (134, 149668), (136, 147467), (142, 141236), (248, 80869), (268, 74834), (284, 70618), (527, 38056), (536, 37417), (568, 35309), (1054, 19028), (1139, 17608), (1207, 16616), (2077, 9656), (2108, 9514), (2201, 9112), (2278, 8804), (2414, 8308), (4154, 4828), (4216, 4757), (4402, 4556)]