20730250

素因数分解:

$2^1\times 5^3\times {\mathrm{101}}^1\times {\mathrm{821}}^1$

素因数の和:939

約数の個数: 32

約数和(自身を含む): 39238992

約数和(自身を除く): 18508742

約数列:

[1, 2, 5, 10, 25, 50, 101, 125, 202, 250, 505, 821, 1010, 1642, 2525, 4105, 5050, 8210, 12625, 20525, 25250, 41050, 82921, 102625, 165842, 205250, 414605, 829210, 2073025, 4146050, 10365125, 20730250]

約数ペア:

[(1, 20730250), (2, 10365125), (5, 4146050), (10, 2073025), (25, 829210), (50, 414605), (101, 205250), (125, 165842), (202, 102625), (250, 82921), (505, 41050), (821, 25250), (1010, 20525), (1642, 12625), (2525, 8210), (4105, 5050)]