20809625759

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{536621}}^1$

素因数の和:536810

約数の個数: 16

約数和(自身を含む): 23740157280

約数和(自身を除く): 2930531521

約数列:

[1, 13, 19, 157, 247, 2041, 2983, 38779, 536621, 6976073, 10195799, 84249497, 132545387, 1095243461, 1600740443, 20809625759]

約数ペア:

[(1, 20809625759), (13, 1600740443), (19, 1095243461), (157, 132545387), (247, 84249497), (2041, 10195799), (2983, 6976073), (38779, 536621)]