20900169

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{3257}}^1$

素因数の和:3317

約数の個数: 24

約数和(自身を含む): 32527872

約数和(自身を除く): 11627703

約数列:

[1, 3, 9, 23, 31, 69, 93, 207, 279, 713, 2139, 3257, 6417, 9771, 29313, 74911, 100967, 224733, 302901, 674199, 908703, 2322241, 6966723, 20900169]

約数ペア:

[(1, 20900169), (3, 6966723), (9, 2322241), (23, 908703), (31, 674199), (69, 302901), (93, 224733), (207, 100967), (279, 74911), (713, 29313), (2139, 9771), (3257, 6417)]