20187680235

素因数分解:

$3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{457}}^1\times {\mathrm{10867}}^1$

素因数の和:11603

約数の個数: 32

約数和(自身を含む): 32493407232

約数和(自身を除く): 12305726997

約数列:

[1, 3, 5, 15, 271, 457, 813, 1355, 1371, 2285, 4065, 6855, 10867, 32601, 54335, 123847, 163005, 371541, 619235, 1857705, 2944957, 4966219, 8834871, 14724785, 14898657, 24831095, 44174355, 74493285, 1345845349, 4037536047, 6729226745, 20187680235]

約数ペア:

[(1, 20187680235), (3, 6729226745), (5, 4037536047), (15, 1345845349), (271, 74493285), (457, 44174355), (813, 24831095), (1355, 14898657), (1371, 14724785), (2285, 8834871), (4065, 4966219), (6855, 2944957), (10867, 1857705), (32601, 619235), (54335, 371541), (123847, 163005)]