20173156927

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1109}}^1\times {\mathrm{2339}}^1$

素因数の和:3567

約数の個数: 32

約数和(自身を含む): 25433740800

約数和(自身を除く): 5260583873

約数列:

[1, 7, 11, 77, 101, 707, 1109, 1111, 2339, 7763, 7777, 12199, 16373, 25729, 85393, 112009, 180103, 236239, 784063, 1232099, 1653673, 2593951, 2598629, 8624693, 18157657, 18190403, 28533461, 199734227, 261989051, 1833923357, 2881879561, 20173156927]

約数ペア:

[(1, 20173156927), (7, 2881879561), (11, 1833923357), (77, 261989051), (101, 199734227), (707, 28533461), (1109, 18190403), (1111, 18157657), (2339, 8624693), (7763, 2598629), (7777, 2593951), (12199, 1653673), (16373, 1232099), (25729, 784063), (85393, 236239), (112009, 180103)]