20177145

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23599}}^1$

素因数の和:23629

約数の個数: 24

約数和(自身を含む): 36816000

約数和(自身を除く): 16638855

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 23599, 70797, 117995, 212391, 353985, 448381, 1061955, 1345143, 2241905, 4035429, 6725715, 20177145]

約数ペア:

[(1, 20177145), (3, 6725715), (5, 4035429), (9, 2241905), (15, 1345143), (19, 1061955), (45, 448381), (57, 353985), (95, 212391), (171, 117995), (285, 70797), (855, 23599)]