20010016

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{467}}^1$

素因数の和:593

約数の個数: 48

約数和(自身を含む): 42928704

約数和(自身を除く): 22918688

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 103, 104, 206, 208, 412, 416, 467, 824, 934, 1339, 1648, 1868, 2678, 3296, 3736, 5356, 6071, 7472, 10712, 12142, 14944, 21424, 24284, 42848, 48101, 48568, 96202, 97136, 192404, 194272, 384808, 625313, 769616, 1250626, 1539232, 2501252, 5002504, 10005008, 20010016]

約数ペア:

[(1, 20010016), (2, 10005008), (4, 5002504), (8, 2501252), (13, 1539232), (16, 1250626), (26, 769616), (32, 625313), (52, 384808), (103, 194272), (104, 192404), (206, 97136), (208, 96202), (412, 48568), (416, 48101), (467, 42848), (824, 24284), (934, 21424), (1339, 14944), (1648, 12142), (1868, 10712), (2678, 7472), (3296, 6071), (3736, 5356)]