20486332

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{2473}}^1$

素因数の和:2605

約数の個数: 24

約数和(自身を含む): 38099600

約数和(自身を除く): 17613268

約数列:

[1, 2, 4, 19, 38, 76, 109, 218, 436, 2071, 2473, 4142, 4946, 8284, 9892, 46987, 93974, 187948, 269557, 539114, 1078228, 5121583, 10243166, 20486332]

約数ペア:

[(1, 20486332), (2, 10243166), (4, 5121583), (19, 1078228), (38, 539114), (76, 269557), (109, 187948), (218, 93974), (436, 46987), (2071, 9892), (2473, 8284), (4142, 4946)]