20522169

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1289}}^1$

素因数の和:1385

約数の個数: 24

約数和(自身を含む): 31192200

約数和(自身を除く): 10670031

約数列:

[1, 3, 9, 29, 61, 87, 183, 261, 549, 1289, 1769, 3867, 5307, 11601, 15921, 37381, 78629, 112143, 235887, 336429, 707661, 2280241, 6840723, 20522169]

約数ペア:

[(1, 20522169), (3, 6840723), (9, 2280241), (29, 707661), (61, 336429), (87, 235887), (183, 112143), (261, 78629), (549, 37381), (1289, 15921), (1769, 11601), (3867, 5307)]