20175773652

素因数分解:

$2^2\times 3^3\times {\mathrm{643}}^1\times {\mathrm{290533}}^1$

素因数の和:291189

約数の個数: 48

約数和(自身を含む): 52389090880

約数和(自身を除く): 32213317228

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 643, 1286, 1929, 2572, 3858, 5787, 7716, 11574, 17361, 23148, 34722, 69444, 290533, 581066, 871599, 1162132, 1743198, 2614797, 3486396, 5229594, 7844391, 10459188, 15688782, 31377564, 186812719, 373625438, 560438157, 747250876, 1120876314, 1681314471, 2241752628, 3362628942, 5043943413, 6725257884, 10087886826, 20175773652]

約数ペア:

[(1, 20175773652), (2, 10087886826), (3, 6725257884), (4, 5043943413), (6, 3362628942), (9, 2241752628), (12, 1681314471), (18, 1120876314), (27, 747250876), (36, 560438157), (54, 373625438), (108, 186812719), (643, 31377564), (1286, 15688782), (1929, 10459188), (2572, 7844391), (3858, 5229594), (5787, 3486396), (7716, 2614797), (11574, 1743198), (17361, 1162132), (23148, 871599), (34722, 581066), (69444, 290533)]