20751864

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1223}}^1$

素因数の和:1340

約数の個数: 64

約数和(自身を含む): 59927040

約数和(自身を除く): 39175176

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 101, 168, 202, 303, 404, 606, 707, 808, 1212, 1223, 1414, 2121, 2424, 2446, 2828, 3669, 4242, 4892, 5656, 7338, 8484, 8561, 9784, 14676, 16968, 17122, 25683, 29352, 34244, 51366, 68488, 102732, 123523, 205464, 247046, 370569, 494092, 741138, 864661, 988184, 1482276, 1729322, 2593983, 2964552, 3458644, 5187966, 6917288, 10375932, 20751864]

約数ペア:

[(1, 20751864), (2, 10375932), (3, 6917288), (4, 5187966), (6, 3458644), (7, 2964552), (8, 2593983), (12, 1729322), (14, 1482276), (21, 988184), (24, 864661), (28, 741138), (42, 494092), (56, 370569), (84, 247046), (101, 205464), (168, 123523), (202, 102732), (303, 68488), (404, 51366), (606, 34244), (707, 29352), (808, 25683), (1212, 17122), (1223, 16968), (1414, 14676), (2121, 9784), (2424, 8561), (2446, 8484), (2828, 7338), (3669, 5656), (4242, 4892)]