20254572

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{383}}^1$

素因数の和:519

約数の個数: 72

約数和(自身を含む): 55770624

約数和(自身を除く): 35516052

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 113, 117, 156, 226, 234, 339, 383, 452, 468, 678, 766, 1017, 1149, 1356, 1469, 1532, 2034, 2298, 2938, 3447, 4068, 4407, 4596, 4979, 5876, 6894, 8814, 9958, 13221, 13788, 14937, 17628, 19916, 26442, 29874, 43279, 44811, 52884, 59748, 86558, 89622, 129837, 173116, 179244, 259674, 389511, 519348, 562627, 779022, 1125254, 1558044, 1687881, 2250508, 3375762, 5063643, 6751524, 10127286, 20254572]

約数ペア:

[(1, 20254572), (2, 10127286), (3, 6751524), (4, 5063643), (6, 3375762), (9, 2250508), (12, 1687881), (13, 1558044), (18, 1125254), (26, 779022), (36, 562627), (39, 519348), (52, 389511), (78, 259674), (113, 179244), (117, 173116), (156, 129837), (226, 89622), (234, 86558), (339, 59748), (383, 52884), (452, 44811), (468, 43279), (678, 29874), (766, 26442), (1017, 19916), (1149, 17628), (1356, 14937), (1469, 13788), (1532, 13221), (2034, 9958), (2298, 8814), (2938, 6894), (3447, 5876), (4068, 4979), (4407, 4596)]