20406513

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{5869}}^1$

素因数の和:5952

約数の個数: 16

約数和(自身を含む): 29115200

約数和(自身を除く): 8708687

約数列:

[1, 3, 19, 57, 61, 183, 1159, 3477, 5869, 17607, 111511, 334533, 358009, 1074027, 6802171, 20406513]

約数ペア:

[(1, 20406513), (3, 6802171), (19, 1074027), (57, 358009), (61, 334533), (183, 111511), (1159, 17607), (3477, 5869)]