20115662987

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{547}}^1\times {\mathrm{1213}}^1$

素因数の和:1899

約数の個数: 32

約数和(自身を含む): 23758193664

約数和(自身を除く): 3642530677

約数列:

[1, 7, 61, 71, 427, 497, 547, 1213, 3829, 4331, 8491, 30317, 33367, 38837, 73993, 86123, 233569, 271859, 517951, 602861, 663511, 2369057, 4644577, 5253503, 16583399, 36774521, 40474171, 47109281, 283319197, 329764967, 2873666141, 20115662987]

約数ペア:

[(1, 20115662987), (7, 2873666141), (61, 329764967), (71, 283319197), (427, 47109281), (497, 40474171), (547, 36774521), (1213, 16583399), (3829, 5253503), (4331, 4644577), (8491, 2369057), (30317, 663511), (33367, 602861), (38837, 517951), (73993, 271859), (86123, 233569)]