20469631

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{11839}}^1$

素因数の和:11878

約数の個数: 16

約数和(自身を含む): 26521600

約数和(自身を除く): 6051969

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 11839, 82873, 153907, 224941, 1077349, 1574587, 2924233, 20469631]

約数ペア:

[(1, 20469631), (7, 2924233), (13, 1574587), (19, 1077349), (91, 224941), (133, 153907), (247, 82873), (1729, 11839)]