20172029488

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1589851}}^1$

素因数の和:1589933

約数の個数: 40

約数和(自身を含む): 42779737616

約数和(自身を除く): 22607708128

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 793, 976, 1586, 3172, 6344, 12688, 1589851, 3179702, 6359404, 12718808, 20668063, 25437616, 41336126, 82672252, 96980911, 165344504, 193961822, 330689008, 387923644, 775847288, 1260751843, 1551694576, 2521503686, 5043007372, 10086014744, 20172029488]

約数ペア:

[(1, 20172029488), (2, 10086014744), (4, 5043007372), (8, 2521503686), (13, 1551694576), (16, 1260751843), (26, 775847288), (52, 387923644), (61, 330689008), (104, 193961822), (122, 165344504), (208, 96980911), (244, 82672252), (488, 41336126), (793, 25437616), (976, 20668063), (1586, 12718808), (3172, 6359404), (6344, 3179702), (12688, 1589851)]