20055009

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{2207}}^1$

素因数の和:2456

約数の個数: 16

約数和(自身を含む): 28933632

約数和(自身を除く): 8878623

約数列:

[1, 3, 13, 39, 233, 699, 2207, 3029, 6621, 9087, 28691, 86073, 514231, 1542693, 6685003, 20055009]

約数ペア:

[(1, 20055009), (3, 6685003), (13, 1542693), (39, 514231), (233, 86073), (699, 28691), (2207, 9087), (3029, 6621)]