20684130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{967}}^1$

素因数の和:1031

約数の個数: 64

約数和(自身を含む): 53526528

約数和(自身を除く): 32842398

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 31, 46, 62, 69, 93, 115, 138, 155, 186, 230, 310, 345, 465, 690, 713, 930, 967, 1426, 1934, 2139, 2901, 3565, 4278, 4835, 5802, 7130, 9670, 10695, 14505, 21390, 22241, 29010, 29977, 44482, 59954, 66723, 89931, 111205, 133446, 149885, 179862, 222410, 299770, 333615, 449655, 667230, 689471, 899310, 1378942, 2068413, 3447355, 4136826, 6894710, 10342065, 20684130]

約数ペア:

[(1, 20684130), (2, 10342065), (3, 6894710), (5, 4136826), (6, 3447355), (10, 2068413), (15, 1378942), (23, 899310), (30, 689471), (31, 667230), (46, 449655), (62, 333615), (69, 299770), (93, 222410), (115, 179862), (138, 149885), (155, 133446), (186, 111205), (230, 89931), (310, 66723), (345, 59954), (465, 44482), (690, 29977), (713, 29010), (930, 22241), (967, 21390), (1426, 14505), (1934, 10695), (2139, 9670), (2901, 7130), (3565, 5802), (4278, 4835)]