20289552

素因数分解:

$2^4\times 3^1\times {\mathrm{139}}^1\times {\mathrm{3041}}^1$

素因数の和:3191

約数の個数: 40

約数和(自身を含む): 52809120

約数和(自身を除く): 32519568

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 139, 278, 417, 556, 834, 1112, 1668, 2224, 3041, 3336, 6082, 6672, 9123, 12164, 18246, 24328, 36492, 48656, 72984, 145968, 422699, 845398, 1268097, 1690796, 2536194, 3381592, 5072388, 6763184, 10144776, 20289552]

約数ペア:

[(1, 20289552), (2, 10144776), (3, 6763184), (4, 5072388), (6, 3381592), (8, 2536194), (12, 1690796), (16, 1268097), (24, 845398), (48, 422699), (139, 145968), (278, 72984), (417, 48656), (556, 36492), (834, 24328), (1112, 18246), (1668, 12164), (2224, 9123), (3041, 6672), (3336, 6082)]