20216879942

素因数分解:

$2^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{9691697}}^1$

素因数の和:9691855

約数の個数: 16

約数和(自身を含む): 34890112800

約数和(自身を除く): 14673232858

約数列:

[1, 2, 7, 14, 149, 298, 1043, 2086, 9691697, 19383394, 67841879, 135683758, 1444062853, 2888125706, 10108439971, 20216879942]

約数ペア:

[(1, 20216879942), (2, 10108439971), (7, 2888125706), (14, 1444062853), (149, 135683758), (298, 67841879), (1043, 19383394), (2086, 9691697)]