20199654517

素因数分解:

$7^1\times {\mathrm{97}}^1\times {\mathrm{421}}^1\times {\mathrm{70663}}^1$

素因数の和:71188

約数の個数: 16

約数和(自身を含む): 23379043072

約数和(自身を除く): 3179388555

約数列:

[1, 7, 97, 421, 679, 2947, 40837, 70663, 285859, 494641, 6854311, 29749123, 47980177, 208243861, 2885664931, 20199654517]

約数ペア:

[(1, 20199654517), (7, 2885664931), (97, 208243861), (421, 47980177), (679, 29749123), (2947, 6854311), (40837, 494641), (70663, 285859)]