20427632

素因数分解:

$2^4\times {\mathrm{313}}^1\times {\mathrm{4079}}^1$

素因数の和:4400

約数の個数: 20

約数和(自身を含む): 39714720

約数和(自身を除く): 19287088

約数列:

[1, 2, 4, 8, 16, 313, 626, 1252, 2504, 4079, 5008, 8158, 16316, 32632, 65264, 1276727, 2553454, 5106908, 10213816, 20427632]

約数ペア:

[(1, 20427632), (2, 10213816), (4, 5106908), (8, 2553454), (16, 1276727), (313, 65264), (626, 32632), (1252, 16316), (2504, 8158), (4079, 5008)]