20179985380

素因数分解:

$2^2\times 5^1\times {\mathrm{14891}}^1\times {\mathrm{67759}}^1$

素因数の和:82659

約数の個数: 24

約数和(自身を含む): 42381440640

約数和(自身を除く): 22201455260

約数列:

[1, 2, 4, 5, 10, 20, 14891, 29782, 59564, 67759, 74455, 135518, 148910, 271036, 297820, 338795, 677590, 1355180, 1008999269, 2017998538, 4035997076, 5044996345, 10089992690, 20179985380]

約数ペア:

[(1, 20179985380), (2, 10089992690), (4, 5044996345), (5, 4035997076), (10, 2017998538), (20, 1008999269), (14891, 1355180), (29782, 677590), (59564, 338795), (67759, 297820), (74455, 271036), (135518, 148910)]