20349971295

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{294479}}^1$

素因数の和:294775

約数の個数: 32

約数和(自身を含む): 34602577920

約数和(自身を除く): 14252606625

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 271, 813, 1355, 4065, 4607, 13821, 23035, 69105, 294479, 883437, 1472395, 4417185, 5006143, 15018429, 25030715, 75092145, 79803809, 239411427, 399019045, 1197057135, 1356664753, 4069994259, 6783323765, 20349971295]

約数ペア:

[(1, 20349971295), (3, 6783323765), (5, 4069994259), (15, 1356664753), (17, 1197057135), (51, 399019045), (85, 239411427), (255, 79803809), (271, 75092145), (813, 25030715), (1355, 15018429), (4065, 5006143), (4607, 4417185), (13821, 1472395), (23035, 883437), (69105, 294479)]