20962242

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:184

約数の個数: 96

約数和(自身を含む): 54857088

約数和(自身を除く): 33894846

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 43, 53, 63, 73, 86, 106, 126, 129, 146, 159, 219, 258, 301, 318, 371, 387, 438, 477, 511, 602, 657, 742, 774, 903, 954, 1022, 1113, 1314, 1533, 1806, 2226, 2279, 2709, 3066, 3139, 3339, 3869, 4558, 4599, 5418, 6278, 6678, 6837, 7738, 9198, 9417, 11607, 13674, 15953, 18834, 20511, 21973, 23214, 27083, 28251, 31906, 34821, 41022, 43946, 47859, 54166, 56502, 65919, 69642, 81249, 95718, 131838, 143577, 162498, 166367, 197757, 243747, 287154, 332734, 395514, 487494, 499101, 998202, 1164569, 1497303, 2329138, 2994606, 3493707, 6987414, 10481121, 20962242]

約数ペア:

[(1, 20962242), (2, 10481121), (3, 6987414), (6, 3493707), (7, 2994606), (9, 2329138), (14, 1497303), (18, 1164569), (21, 998202), (42, 499101), (43, 487494), (53, 395514), (63, 332734), (73, 287154), (86, 243747), (106, 197757), (126, 166367), (129, 162498), (146, 143577), (159, 131838), (219, 95718), (258, 81249), (301, 69642), (318, 65919), (371, 56502), (387, 54166), (438, 47859), (477, 43946), (511, 41022), (602, 34821), (657, 31906), (742, 28251), (774, 27083), (903, 23214), (954, 21973), (1022, 20511), (1113, 18834), (1314, 15953), (1533, 13674), (1806, 11607), (2226, 9417), (2279, 9198), (2709, 7738), (3066, 6837), (3139, 6678), (3339, 6278), (3869, 5418), (4558, 4599)]