23045420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 50147328

約数和(自身を除く): 27101908

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 127, 172, 211, 215, 254, 422, 430, 508, 635, 844, 860, 1055, 1270, 2110, 2540, 4220, 5461, 9073, 10922, 18146, 21844, 26797, 27305, 36292, 45365, 53594, 54610, 90730, 107188, 109220, 133985, 181460, 267970, 535940, 1152271, 2304542, 4609084, 5761355, 11522710, 23045420]

約数ペア:

[(1, 23045420), (2, 11522710), (4, 5761355), (5, 4609084), (10, 2304542), (20, 1152271), (43, 535940), (86, 267970), (127, 181460), (172, 133985), (211, 109220), (215, 107188), (254, 90730), (422, 54610), (430, 53594), (508, 45365), (635, 36292), (844, 27305), (860, 26797), (1055, 21844), (1270, 18146), (2110, 10922), (2540, 9073), (4220, 5461)]