20178353013

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73913381}}^1$

素因数の和:73913404

約数の個数: 16

約数和(自身を含む): 33113195136

約数和(自身を除く): 12934842123

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 73913381, 221740143, 517393667, 960873953, 1552181001, 2882621859, 6726117671, 20178353013]

約数ペア:

[(1, 20178353013), (3, 6726117671), (7, 2882621859), (13, 1552181001), (21, 960873953), (39, 517393667), (91, 221740143), (273, 73913381)]