20921440510

素因数分解:

$2^1\times 5^1\times {\mathrm{379}}^1\times {\mathrm{5520169}}^1$

素因数の和:5520555

約数の個数: 16

約数和(自身を含む): 37757962800

約数和(自身を除く): 16836522290

約数列:

[1, 2, 5, 10, 379, 758, 1895, 3790, 5520169, 11040338, 27600845, 55201690, 2092144051, 4184288102, 10460720255, 20921440510]

約数ペア:

[(1, 20921440510), (2, 10460720255), (5, 4184288102), (10, 2092144051), (379, 55201690), (758, 27600845), (1895, 11040338), (3790, 5520169)]