20365668

素因数分解:

$2^2\times 3^4\times {\mathrm{239}}^1\times {\mathrm{263}}^1$

素因数の和:518

約数の個数: 60

約数和(自身を含む): 53665920

約数和(自身を除く): 33300252

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 239, 263, 324, 478, 526, 717, 789, 956, 1052, 1434, 1578, 2151, 2367, 2868, 3156, 4302, 4734, 6453, 7101, 8604, 9468, 12906, 14202, 19359, 21303, 25812, 28404, 38718, 42606, 62857, 77436, 85212, 125714, 188571, 251428, 377142, 565713, 754284, 1131426, 1697139, 2262852, 3394278, 5091417, 6788556, 10182834, 20365668]

約数ペア:

[(1, 20365668), (2, 10182834), (3, 6788556), (4, 5091417), (6, 3394278), (9, 2262852), (12, 1697139), (18, 1131426), (27, 754284), (36, 565713), (54, 377142), (81, 251428), (108, 188571), (162, 125714), (239, 85212), (263, 77436), (324, 62857), (478, 42606), (526, 38718), (717, 28404), (789, 25812), (956, 21303), (1052, 19359), (1434, 14202), (1578, 12906), (2151, 9468), (2367, 8604), (2868, 7101), (3156, 6453), (4302, 4734)]