20129417

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{13759}}^1$

素因数の和:13796

約数の個数: 16

約数和(自身を含む): 26419200

約数和(自身を除く): 6289783

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 13759, 96313, 151349, 261421, 1059443, 1829947, 2875631, 20129417]

約数ペア:

[(1, 20129417), (7, 2875631), (11, 1829947), (19, 1059443), (77, 261421), (133, 151349), (209, 96313), (1463, 13759)]