20210452

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{617}}^1$

素因数の和:1071

約数の個数: 24

約数和(自身を含む): 37376640

約数和(自身を除く): 17166188

約数列:

[1, 2, 4, 19, 38, 76, 431, 617, 862, 1234, 1724, 2468, 8189, 11723, 16378, 23446, 32756, 46892, 265927, 531854, 1063708, 5052613, 10105226, 20210452]

約数ペア:

[(1, 20210452), (2, 10105226), (4, 5052613), (19, 1063708), (38, 531854), (76, 265927), (431, 46892), (617, 32756), (862, 23446), (1234, 16378), (1724, 11723), (2468, 8189)]