20486448

素因数分解:

$2^4\times 3^2\times {\mathrm{113}}^1\times {\mathrm{1259}}^1$

素因数の和:1386

約数の個数: 60

約数和(自身を含む): 57886920

約数和(自身を除く): 37400472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 113, 144, 226, 339, 452, 678, 904, 1017, 1259, 1356, 1808, 2034, 2518, 2712, 3777, 4068, 5036, 5424, 7554, 8136, 10072, 11331, 15108, 16272, 20144, 22662, 30216, 45324, 60432, 90648, 142267, 181296, 284534, 426801, 569068, 853602, 1138136, 1280403, 1707204, 2276272, 2560806, 3414408, 5121612, 6828816, 10243224, 20486448]

約数ペア:

[(1, 20486448), (2, 10243224), (3, 6828816), (4, 5121612), (6, 3414408), (8, 2560806), (9, 2276272), (12, 1707204), (16, 1280403), (18, 1138136), (24, 853602), (36, 569068), (48, 426801), (72, 284534), (113, 181296), (144, 142267), (226, 90648), (339, 60432), (452, 45324), (678, 30216), (904, 22662), (1017, 20144), (1259, 16272), (1356, 15108), (1808, 11331), (2034, 10072), (2518, 8136), (2712, 7554), (3777, 5424), (4068, 5036)]