2021555006980

素因数分解:

$2^2\times 5^1\times {\mathrm{101077750349}}^1$

素因数の和:101077750358

約数の個数: 12

約数和(自身を含む): 4245265514700

約数和(自身を除く): 2223710507720

約数列:

[1, 2, 4, 5, 10, 20, 101077750349, 202155500698, 404311001396, 505388751745, 1010777503490, 2021555006980]

約数ペア:

[(1, 2021555006980), (2, 1010777503490), (4, 505388751745), (5, 404311001396), (10, 202155500698), (20, 101077750349)]