20125731

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{4973}}^1$

素因数の和:5066

約数の個数: 16

約数和(自身を含む): 28650240

約数和(自身を除く): 8524509

約数列:

[1, 3, 19, 57, 71, 213, 1349, 4047, 4973, 14919, 94487, 283461, 353083, 1059249, 6708577, 20125731]

約数ペア:

[(1, 20125731), (3, 6708577), (19, 1059249), (57, 353083), (71, 283461), (213, 94487), (1349, 14919), (4047, 4973)]