20205125865

素因数分解:

$3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1571}}^1\times {\mathrm{2027}}^1$

素因数の和:3659

約数の個数: 64

約数和(自身を含む): 36725944320

約数和(自身を除く): 16520818455

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 135, 141, 235, 423, 705, 1269, 1571, 2027, 2115, 4713, 6081, 6345, 7855, 10135, 14139, 18243, 23565, 30405, 42417, 54729, 70695, 73837, 91215, 95269, 212085, 221511, 273645, 285807, 369185, 476345, 664533, 857421, 1107555, 1429035, 1993599, 2572263, 3184417, 3322665, 4287105, 9553251, 9967995, 12861315, 15922085, 28659753, 47766255, 85979259, 143298765, 149667599, 429896295, 449002797, 748337995, 1347008391, 2245013985, 4041025173, 6735041955, 20205125865]

約数ペア:

[(1, 20205125865), (3, 6735041955), (5, 4041025173), (9, 2245013985), (15, 1347008391), (27, 748337995), (45, 449002797), (47, 429896295), (135, 149667599), (141, 143298765), (235, 85979259), (423, 47766255), (705, 28659753), (1269, 15922085), (1571, 12861315), (2027, 9967995), (2115, 9553251), (4713, 4287105), (6081, 3322665), (6345, 3184417), (7855, 2572263), (10135, 1993599), (14139, 1429035), (18243, 1107555), (23565, 857421), (30405, 664533), (42417, 476345), (54729, 369185), (70695, 285807), (73837, 273645), (91215, 221511), (95269, 212085)]