20076680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38609}}^1$

素因数の和:38633

約数の個数: 32

約数和(自身を含む): 48648600

約数和(自身を除く): 28571920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 38609, 77218, 154436, 193045, 308872, 386090, 501917, 772180, 1003834, 1544360, 2007668, 2509585, 4015336, 5019170, 10038340, 20076680]

約数ペア:

[(1, 20076680), (2, 10038340), (4, 5019170), (5, 4015336), (8, 2509585), (10, 2007668), (13, 1544360), (20, 1003834), (26, 772180), (40, 501917), (52, 386090), (65, 308872), (104, 193045), (130, 154436), (260, 77218), (520, 38609)]