20027774

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{11497}}^1$

素因数の和:11579

約数の個数: 16

約数和(自身を含む): 32838288

約数和(自身を除く): 12810514

約数列:

[1, 2, 13, 26, 67, 134, 871, 1742, 11497, 22994, 149461, 298922, 770299, 1540598, 10013887, 20027774]

約数ペア:

[(1, 20027774), (2, 10013887), (13, 1540598), (26, 770299), (67, 298922), (134, 149461), (871, 22994), (1742, 11497)]