20138468

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{23201}}^1$

素因数の和:23243

約数の個数: 24

約数和(自身を含む): 41577984

約数和(自身を除く): 21439516

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 23201, 46402, 92804, 162407, 324814, 649628, 719231, 1438462, 2876924, 5034617, 10069234, 20138468]

約数ペア:

[(1, 20138468), (2, 10069234), (4, 5034617), (7, 2876924), (14, 1438462), (28, 719231), (31, 649628), (62, 324814), (124, 162407), (217, 92804), (434, 46402), (868, 23201)]