20502432

素因数分解:

$2^5\times 3^2\times {\mathrm{257}}^1\times {\mathrm{277}}^1$

素因数の和:550

約数の個数: 72

約数和(自身を含む): 58741956

約数和(自身を除く): 38239524

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 257, 277, 288, 514, 554, 771, 831, 1028, 1108, 1542, 1662, 2056, 2216, 2313, 2493, 3084, 3324, 4112, 4432, 4626, 4986, 6168, 6648, 8224, 8864, 9252, 9972, 12336, 13296, 18504, 19944, 24672, 26592, 37008, 39888, 71189, 74016, 79776, 142378, 213567, 284756, 427134, 569512, 640701, 854268, 1139024, 1281402, 1708536, 2278048, 2562804, 3417072, 5125608, 6834144, 10251216, 20502432]

約数ペア:

[(1, 20502432), (2, 10251216), (3, 6834144), (4, 5125608), (6, 3417072), (8, 2562804), (9, 2278048), (12, 1708536), (16, 1281402), (18, 1139024), (24, 854268), (32, 640701), (36, 569512), (48, 427134), (72, 284756), (96, 213567), (144, 142378), (257, 79776), (277, 74016), (288, 71189), (514, 39888), (554, 37008), (771, 26592), (831, 24672), (1028, 19944), (1108, 18504), (1542, 13296), (1662, 12336), (2056, 9972), (2216, 9252), (2313, 8864), (2493, 8224), (3084, 6648), (3324, 6168), (4112, 4986), (4432, 4626)]