20169909

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{1163}}^1$

素因数の和:1257

約数の個数: 24

約数和(自身を含む): 30506112

約数和(自身を除く): 10336203

約数列:

[1, 3, 9, 41, 47, 123, 141, 369, 423, 1163, 1927, 3489, 5781, 10467, 17343, 47683, 54661, 143049, 163983, 429147, 491949, 2241101, 6723303, 20169909]

約数ペア:

[(1, 20169909), (3, 6723303), (9, 2241101), (41, 491949), (47, 429147), (123, 163983), (141, 143049), (369, 54661), (423, 47683), (1163, 17343), (1927, 10467), (3489, 5781)]