20158903336

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{248189}}^1$

素因数の和:248290

約数の個数: 64

約数和(自身を含む): 45031593600

約数和(自身を除く): 24872690264

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 71, 88, 104, 142, 143, 284, 286, 568, 572, 781, 923, 1144, 1562, 1846, 3124, 3692, 6248, 7384, 10153, 20306, 40612, 81224, 248189, 496378, 992756, 1985512, 2730079, 3226457, 5460158, 6452914, 10920316, 12905828, 17621419, 21840632, 25811656, 35242838, 35491027, 70485676, 70982054, 140971352, 141964108, 193835609, 229078447, 283928216, 387671218, 458156894, 775342436, 916313788, 1550684872, 1832627576, 2519862917, 5039725834, 10079451668, 20158903336]

約数ペア:

[(1, 20158903336), (2, 10079451668), (4, 5039725834), (8, 2519862917), (11, 1832627576), (13, 1550684872), (22, 916313788), (26, 775342436), (44, 458156894), (52, 387671218), (71, 283928216), (88, 229078447), (104, 193835609), (142, 141964108), (143, 140971352), (284, 70982054), (286, 70485676), (568, 35491027), (572, 35242838), (781, 25811656), (923, 21840632), (1144, 17621419), (1562, 12905828), (1846, 10920316), (3124, 6452914), (3692, 5460158), (6248, 3226457), (7384, 2730079), (10153, 1985512), (20306, 992756), (40612, 496378), (81224, 248189)]