20485767169

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{2953}}^1\times {\mathrm{4567}}^1$

素因数の和:7565

約数の個数: 24

約数和(自身を含む): 24612822528

約数和(自身を除く): 4127055359

約数列:

[1, 7, 31, 49, 217, 1519, 2953, 4567, 20671, 31969, 91543, 141577, 144697, 223783, 640801, 991039, 4485607, 6937273, 13486351, 94404457, 418076881, 660831199, 2926538167, 20485767169]

約数ペア:

[(1, 20485767169), (7, 2926538167), (31, 660831199), (49, 418076881), (217, 94404457), (1519, 13486351), (2953, 6937273), (4567, 4485607), (20671, 991039), (31969, 640801), (91543, 223783), (141577, 144697)]