20164266928

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{2029}}^1\times {\mathrm{47779}}^1$

素因数の和:49829

約数の個数: 40

約数和(自身を含む): 42095135600

約数和(自身を除く): 21930868672

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 2029, 4058, 8116, 16232, 26377, 32464, 47779, 52754, 95558, 105508, 191116, 211016, 382232, 422032, 621127, 764464, 1242254, 2484508, 4969016, 9938032, 96943591, 193887182, 387774364, 775548728, 1260266683, 1551097456, 2520533366, 5041066732, 10082133464, 20164266928]

約数ペア:

[(1, 20164266928), (2, 10082133464), (4, 5041066732), (8, 2520533366), (13, 1551097456), (16, 1260266683), (26, 775548728), (52, 387774364), (104, 193887182), (208, 96943591), (2029, 9938032), (4058, 4969016), (8116, 2484508), (16232, 1242254), (26377, 764464), (32464, 621127), (47779, 422032), (52754, 382232), (95558, 211016), (105508, 191116)]