20225149760

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1469851}}^1$

素因数の和:1469911

約数の個数: 56

約数和(自身を含む): 49281197856

約数和(自身を除く): 29056048096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 160, 172, 215, 320, 344, 430, 688, 860, 1376, 1720, 2752, 3440, 6880, 13760, 1469851, 2939702, 5879404, 7349255, 11758808, 14698510, 23517616, 29397020, 47035232, 58794040, 63203593, 94070464, 117588080, 126407186, 235176160, 252814372, 316017965, 470352320, 505628744, 632035930, 1011257488, 1264071860, 2022514976, 2528143720, 4045029952, 5056287440, 10112574880, 20225149760]

約数ペア:

[(1, 20225149760), (2, 10112574880), (4, 5056287440), (5, 4045029952), (8, 2528143720), (10, 2022514976), (16, 1264071860), (20, 1011257488), (32, 632035930), (40, 505628744), (43, 470352320), (64, 316017965), (80, 252814372), (86, 235176160), (160, 126407186), (172, 117588080), (215, 94070464), (320, 63203593), (344, 58794040), (430, 47035232), (688, 29397020), (860, 23517616), (1376, 14698510), (1720, 11758808), (2752, 7349255), (3440, 5879404), (6880, 2939702), (13760, 1469851)]