20853490565

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1259}}^1\times {\mathrm{2207}}^1$

素因数の和:3569

約数の個数: 32

約数和(自身を含む): 26707968000

約数和(自身を除く): 5854477435

約数列:

[1, 5, 19, 79, 95, 395, 1259, 1501, 2207, 6295, 7505, 11035, 23921, 41933, 99461, 119605, 174353, 209665, 497305, 871765, 1889759, 2778613, 3312707, 9448795, 13893065, 16563535, 52793647, 219510427, 263968235, 1097552135, 4170698113, 20853490565]

約数ペア:

[(1, 20853490565), (5, 4170698113), (19, 1097552135), (79, 263968235), (95, 219510427), (395, 52793647), (1259, 16563535), (1501, 13893065), (2207, 9448795), (6295, 3312707), (7505, 2778613), (11035, 1889759), (23921, 871765), (41933, 497305), (99461, 209665), (119605, 174353)]