20839048

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2917}}^1$

素因数の和:2989

約数の個数: 32

約数和(自身を含む): 42019200

約数和(自身を除く): 21180152

約数列:

[1, 2, 4, 8, 19, 38, 47, 76, 94, 152, 188, 376, 893, 1786, 2917, 3572, 5834, 7144, 11668, 23336, 55423, 110846, 137099, 221692, 274198, 443384, 548396, 1096792, 2604881, 5209762, 10419524, 20839048]

約数ペア:

[(1, 20839048), (2, 10419524), (4, 5209762), (8, 2604881), (19, 1096792), (38, 548396), (47, 443384), (76, 274198), (94, 221692), (152, 137099), (188, 110846), (376, 55423), (893, 23336), (1786, 11668), (2917, 7144), (3572, 5834)]