20175892149

素因数分解:

$3^1\times 7^3\times {\mathrm{1657}}^1\times {\mathrm{11833}}^1$

素因数の和:13514

約数の個数: 32

約数和(自身を含む): 31393235200

約数和(自身を除く): 11217343051

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 1657, 4971, 11599, 11833, 34797, 35499, 81193, 82831, 243579, 248493, 568351, 579817, 1705053, 1739451, 4058719, 12176157, 19607281, 58821843, 137250967, 411752901, 960756769, 2882270307, 6725297383, 20175892149]

約数ペア:

[(1, 20175892149), (3, 6725297383), (7, 2882270307), (21, 960756769), (49, 411752901), (147, 137250967), (343, 58821843), (1029, 19607281), (1657, 12176157), (4971, 4058719), (11599, 1739451), (11833, 1705053), (34797, 579817), (35499, 568351), (81193, 248493), (82831, 243579)]