20899108690

素因数分解:

$2^1\times 5^1\times {\mathrm{122167}}^1\times {\mathrm{17107}}^1$

素因数の和:139281

約数の個数: 16

約数和(自身を含む): 37620902592

約数和(自身を除く): 16721793902

約数列:

[1, 2, 5, 10, 17107, 34214, 85535, 122167, 171070, 244334, 610835, 1221670, 2089910869, 4179821738, 10449554345, 20899108690]

約数ペア:

[(1, 20899108690), (2, 10449554345), (5, 4179821738), (10, 2089910869), (17107, 1221670), (34214, 610835), (85535, 244334), (122167, 171070)]