20804563185

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1033}}^1\times {\mathrm{3251}}^1$

素因数の和:4358

約数の個数: 64

約数和(自身を含む): 38736783360

約数和(自身を除く): 17932220175

約数列:

[1, 3, 5, 7, 15, 21, 35, 59, 105, 177, 295, 413, 885, 1033, 1239, 2065, 3099, 3251, 5165, 6195, 7231, 9753, 15495, 16255, 21693, 22757, 36155, 48765, 60947, 68271, 108465, 113785, 182841, 191809, 304735, 341355, 426629, 575427, 914205, 959045, 1279887, 1342663, 2133145, 2877135, 3358283, 4027989, 6399435, 6713315, 10074849, 16791415, 20139945, 23507981, 50374245, 70523943, 117539905, 198138697, 352619715, 594416091, 990693485, 1386970879, 2972080455, 4160912637, 6934854395, 20804563185]

約数ペア:

[(1, 20804563185), (3, 6934854395), (5, 4160912637), (7, 2972080455), (15, 1386970879), (21, 990693485), (35, 594416091), (59, 352619715), (105, 198138697), (177, 117539905), (295, 70523943), (413, 50374245), (885, 23507981), (1033, 20139945), (1239, 16791415), (2065, 10074849), (3099, 6713315), (3251, 6399435), (5165, 4027989), (6195, 3358283), (7231, 2877135), (9753, 2133145), (15495, 1342663), (16255, 1279887), (21693, 959045), (22757, 914205), (36155, 575427), (48765, 426629), (60947, 341355), (68271, 304735), (108465, 191809), (113785, 182841)]