20122473340

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{241}}^1\times {\mathrm{26591}}^1$

素因数の和:26998

約数の個数: 48

約数和(自身を含む): 42704411904

約数和(自身を除く): 22581938564

約数列:

[1, 2, 4, 5, 10, 20, 157, 241, 314, 482, 628, 785, 964, 1205, 1570, 2410, 3140, 4820, 26591, 37837, 53182, 75674, 106364, 132955, 151348, 189185, 265910, 378370, 531820, 756740, 4174787, 6408431, 8349574, 12816862, 16699148, 20873935, 25633724, 32042155, 41747870, 64084310, 83495740, 128168620, 1006123667, 2012247334, 4024494668, 5030618335, 10061236670, 20122473340]

約数ペア:

[(1, 20122473340), (2, 10061236670), (4, 5030618335), (5, 4024494668), (10, 2012247334), (20, 1006123667), (157, 128168620), (241, 83495740), (314, 64084310), (482, 41747870), (628, 32042155), (785, 25633724), (964, 20873935), (1205, 16699148), (1570, 12816862), (2410, 8349574), (3140, 6408431), (4820, 4174787), (26591, 756740), (37837, 531820), (53182, 378370), (75674, 265910), (106364, 189185), (132955, 151348)]