20961567405

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{6952427}}^1$

素因数の和:6952505

約数の個数: 24

約数和(自身を含む): 36875678112

約数和(自身を除く): 15914110707

約数列:

[1, 3, 5, 9, 15, 45, 67, 201, 335, 603, 1005, 3015, 6952427, 20857281, 34762135, 62571843, 104286405, 312859215, 465812609, 1397437827, 2329063045, 4192313481, 6987189135, 20961567405]

約数ペア:

[(1, 20961567405), (3, 6987189135), (5, 4192313481), (9, 2329063045), (15, 1397437827), (45, 465812609), (67, 312859215), (201, 104286405), (335, 62571843), (603, 34762135), (1005, 20857281), (3015, 6952427)]