20188917

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{13933}}^1$

素因数の和:13969

約数の個数: 24

約数和(自身を含む): 34779264

約数和(自身を除く): 14590347

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 13933, 41799, 97531, 125397, 292593, 320459, 877779, 961377, 2243213, 2884131, 6729639, 20188917]

約数ペア:

[(1, 20188917), (3, 6729639), (7, 2884131), (9, 2243213), (21, 961377), (23, 877779), (63, 320459), (69, 292593), (161, 125397), (207, 97531), (483, 41799), (1449, 13933)]