20912252

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{1399}}^1$

素因数の和:1541

約数の個数: 24

約数和(自身を含む): 37984800

約数和(自身を除く): 17072548

約数列:

[1, 2, 4, 37, 74, 101, 148, 202, 404, 1399, 2798, 3737, 5596, 7474, 14948, 51763, 103526, 141299, 207052, 282598, 565196, 5228063, 10456126, 20912252]

約数ペア:

[(1, 20912252), (2, 10456126), (4, 5228063), (37, 565196), (74, 282598), (101, 207052), (148, 141299), (202, 103526), (404, 51763), (1399, 14948), (2798, 7474), (3737, 5596)]