20577830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{22613}}^1$

素因数の和:22640

約数の個数: 32

約数和(自身を含む): 45589824

約数和(自身を除く): 25011994

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 22613, 45226, 113065, 158291, 226130, 293969, 316582, 587938, 791455, 1469845, 1582910, 2057783, 2939690, 4115566, 10288915, 20577830]

約数ペア:

[(1, 20577830), (2, 10288915), (5, 4115566), (7, 2939690), (10, 2057783), (13, 1582910), (14, 1469845), (26, 791455), (35, 587938), (65, 316582), (70, 293969), (91, 226130), (130, 158291), (182, 113065), (455, 45226), (910, 22613)]