20348214640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19565591}}^1$

素因数の和:19565617

約数の個数: 40

約数和(自身を含む): 50948801568

約数和(自身を除く): 30600586928

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 19565591, 39131182, 78262364, 97827955, 156524728, 195655910, 254352683, 313049456, 391311820, 508705366, 782623640, 1017410732, 1271763415, 1565247280, 2034821464, 2543526830, 4069642928, 5087053660, 10174107320, 20348214640]

約数ペア:

[(1, 20348214640), (2, 10174107320), (4, 5087053660), (5, 4069642928), (8, 2543526830), (10, 2034821464), (13, 1565247280), (16, 1271763415), (20, 1017410732), (26, 782623640), (40, 508705366), (52, 391311820), (65, 313049456), (80, 254352683), (104, 195655910), (130, 156524728), (208, 97827955), (260, 78262364), (520, 39131182), (1040, 19565591)]