20123366907

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{23372087}}^1$

素因数の和:23372138

約数の個数: 16

約数和(自身を含む): 31412086272

約数和(自身を除く): 11288719365

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 23372087, 70116261, 163604609, 490813827, 958255567, 2874766701, 6707788969, 20123366907]

約数ペア:

[(1, 20123366907), (3, 6707788969), (7, 2874766701), (21, 958255567), (41, 490813827), (123, 163604609), (287, 70116261), (861, 23372087)]