20406711

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{16879}}^1$

素因数の和:16926

約数の個数: 16

約数和(自身を含む): 30248960

約数和(自身を除く): 9842249

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 16879, 50637, 219427, 523249, 658281, 1569747, 6802237, 20406711]

約数ペア:

[(1, 20406711), (3, 6802237), (13, 1569747), (31, 658281), (39, 523249), (93, 219427), (403, 50637), (1209, 16879)]