20210350

素因数分解:

$2^1\times 5^2\times {\mathrm{619}}^1\times {\mathrm{653}}^1$

素因数の和:1284

約数の個数: 24

約数和(自身を含む): 37709640

約数和(自身を除く): 17499290

約数列:

[1, 2, 5, 10, 25, 50, 619, 653, 1238, 1306, 3095, 3265, 6190, 6530, 15475, 16325, 30950, 32650, 404207, 808414, 2021035, 4042070, 10105175, 20210350]

約数ペア:

[(1, 20210350), (2, 10105175), (5, 4042070), (10, 2021035), (25, 808414), (50, 404207), (619, 32650), (653, 30950), (1238, 16325), (1306, 15475), (3095, 6530), (3265, 6190)]