20201595921

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{494737}}^1$

素因数の和:495105

約数の個数: 24

約数和(自身を含む): 31514810600

約数和(自身を除く): 11313214679

約数列:

[1, 3, 9, 13, 39, 117, 349, 1047, 3141, 4537, 13611, 40833, 494737, 1484211, 4452633, 6431581, 19294743, 57884229, 172663213, 517989639, 1553968917, 2244621769, 6733865307, 20201595921]

約数ペア:

[(1, 20201595921), (3, 6733865307), (9, 2244621769), (13, 1553968917), (39, 517989639), (117, 172663213), (349, 57884229), (1047, 19294743), (3141, 6431581), (4537, 4452633), (13611, 1484211), (40833, 494737)]