20172966

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:221

約数の個数: 64

約数和(自身を含む): 46033920

約数和(自身を除く): 25860954

約数列:

[1, 2, 3, 6, 11, 22, 33, 53, 66, 73, 79, 106, 146, 158, 159, 219, 237, 318, 438, 474, 583, 803, 869, 1166, 1606, 1738, 1749, 2409, 2607, 3498, 3869, 4187, 4818, 5214, 5767, 7738, 8374, 11534, 11607, 12561, 17301, 23214, 25122, 34602, 42559, 46057, 63437, 85118, 92114, 126874, 127677, 138171, 190311, 255354, 276342, 305651, 380622, 611302, 916953, 1833906, 3362161, 6724322, 10086483, 20172966]

約数ペア:

[(1, 20172966), (2, 10086483), (3, 6724322), (6, 3362161), (11, 1833906), (22, 916953), (33, 611302), (53, 380622), (66, 305651), (73, 276342), (79, 255354), (106, 190311), (146, 138171), (158, 127677), (159, 126874), (219, 92114), (237, 85118), (318, 63437), (438, 46057), (474, 42559), (583, 34602), (803, 25122), (869, 23214), (1166, 17301), (1606, 12561), (1738, 11607), (1749, 11534), (2409, 8374), (2607, 7738), (3498, 5767), (3869, 5214), (4187, 4818)]