20745144

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{41161}}^1$

素因数の和:41180

約数の個数: 48

約数和(自身を含む): 64212720

約数和(自身を除く): 43467576

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 41161, 82322, 123483, 164644, 246966, 288127, 329288, 370449, 493932, 576254, 740898, 864381, 987864, 1152508, 1481796, 1728762, 2305016, 2593143, 2963592, 3457524, 5186286, 6915048, 10372572, 20745144]

約数ペア:

[(1, 20745144), (2, 10372572), (3, 6915048), (4, 5186286), (6, 3457524), (7, 2963592), (8, 2593143), (9, 2305016), (12, 1728762), (14, 1481796), (18, 1152508), (21, 987864), (24, 864381), (28, 740898), (36, 576254), (42, 493932), (56, 370449), (63, 329288), (72, 288127), (84, 246966), (126, 164644), (168, 123483), (252, 82322), (504, 41161)]