20199842480

素因数分解:

$2^4\times 5^1\times {\mathrm{252498031}}^1$

素因数の和:252498044

約数の個数: 20

約数和(自身を含む): 46964633952

約数和(自身を除く): 26764791472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 252498031, 504996062, 1009992124, 1262490155, 2019984248, 2524980310, 4039968496, 5049960620, 10099921240, 20199842480]

約数ペア:

[(1, 20199842480), (2, 10099921240), (4, 5049960620), (5, 4039968496), (8, 2524980310), (10, 2019984248), (16, 1262490155), (20, 1009992124), (40, 504996062), (80, 252498031)]