20578017

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1\times {\mathrm{541}}^1$

素因数の和:984

約数の個数: 16

約数和(自身を含む): 28444160

約数和(自身を除く): 7866143

約数列:

[1, 3, 31, 93, 409, 541, 1227, 1623, 12679, 16771, 38037, 50313, 221269, 663807, 6859339, 20578017]

約数ペア:

[(1, 20578017), (3, 6859339), (31, 663807), (93, 221269), (409, 50313), (541, 38037), (1227, 16771), (1623, 12679)]