20457813596

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{461}}^1\times {\mathrm{7699}}^1$

素因数の和:8306

約数の個数: 48

約数和(自身を含む): 39444451200

約数和(自身を除く): 18986637604

約数列:

[1, 2, 4, 11, 22, 44, 131, 262, 461, 524, 922, 1441, 1844, 2882, 5071, 5764, 7699, 10142, 15398, 20284, 30796, 60391, 84689, 120782, 169378, 241564, 338756, 664301, 1008569, 1328602, 2017138, 2657204, 3549239, 4034276, 7098478, 11094259, 14196956, 22188518, 39041629, 44377036, 78083258, 156166516, 464950309, 929900618, 1859801236, 5114453399, 10228906798, 20457813596]

約数ペア:

[(1, 20457813596), (2, 10228906798), (4, 5114453399), (11, 1859801236), (22, 929900618), (44, 464950309), (131, 156166516), (262, 78083258), (461, 44377036), (524, 39041629), (922, 22188518), (1441, 14196956), (1844, 11094259), (2882, 7098478), (5071, 4034276), (5764, 3549239), (7699, 2657204), (10142, 2017138), (15398, 1328602), (20284, 1008569), (30796, 664301), (60391, 338756), (84689, 241564), (120782, 169378)]