2019658220

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{668761}}^1$

素因数の和:668921

約数の個数: 24

約数和(自身を含む): 4269376608

約数和(自身を除く): 2249718388

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 668761, 1337522, 2675044, 3343805, 6687610, 13375220, 100982911, 201965822, 403931644, 504914555, 1009829110, 2019658220]

約数ペア:

[(1, 2019658220), (2, 1009829110), (4, 504914555), (5, 403931644), (10, 201965822), (20, 100982911), (151, 13375220), (302, 6687610), (604, 3343805), (755, 2675044), (1510, 1337522), (3020, 668761)]