31720106

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{19751}}^1$

素因数の和:19837

約数の個数: 16

約数和(自身を含む): 52619328

約数和(自身を除く): 20899222

約数列:

[1, 2, 11, 22, 73, 146, 803, 1606, 19751, 39502, 217261, 434522, 1441823, 2883646, 15860053, 31720106]

約数ペア:

[(1, 31720106), (2, 15860053), (11, 2883646), (22, 1441823), (73, 434522), (146, 217261), (803, 39502), (1606, 19751)]