20615673640

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{3413191}}^1$

素因数の和:3413353

約数の個数: 32

約数和(自身を含む): 46692466560

約数和(自身を除く): 26076792920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 6040, 3413191, 6826382, 13652764, 17065955, 27305528, 34131910, 68263820, 136527640, 515391841, 1030783682, 2061567364, 2576959205, 4123134728, 5153918410, 10307836820, 20615673640]

約数ペア:

[(1, 20615673640), (2, 10307836820), (4, 5153918410), (5, 4123134728), (8, 2576959205), (10, 2061567364), (20, 1030783682), (40, 515391841), (151, 136527640), (302, 68263820), (604, 34131910), (755, 27305528), (1208, 17065955), (1510, 13652764), (3020, 6826382), (6040, 3413191)]