20658573

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{557}}^1$

素因数の和:893

約数の個数: 24

約数和(自身を含む): 32294808

約数和(自身を除く): 11636235

約数列:

[1, 3, 9, 13, 39, 117, 317, 557, 951, 1671, 2853, 4121, 5013, 7241, 12363, 21723, 37089, 65169, 176569, 529707, 1589121, 2295397, 6886191, 20658573]

約数ペア:

[(1, 20658573), (3, 6886191), (9, 2295397), (13, 1589121), (39, 529707), (117, 176569), (317, 65169), (557, 37089), (951, 21723), (1671, 12363), (2853, 7241), (4121, 5013)]