20111100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1559}}^1$

素因数の和:1619

約数の個数: 72

約数和(自身を含む): 59579520

約数和(自身を除く): 39468420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 43, 50, 60, 75, 86, 100, 129, 150, 172, 215, 258, 300, 430, 516, 645, 860, 1075, 1290, 1559, 2150, 2580, 3118, 3225, 4300, 4677, 6236, 6450, 7795, 9354, 12900, 15590, 18708, 23385, 31180, 38975, 46770, 67037, 77950, 93540, 116925, 134074, 155900, 201111, 233850, 268148, 335185, 402222, 467700, 670370, 804444, 1005555, 1340740, 1675925, 2011110, 3351850, 4022220, 5027775, 6703700, 10055550, 20111100]

約数ペア:

[(1, 20111100), (2, 10055550), (3, 6703700), (4, 5027775), (5, 4022220), (6, 3351850), (10, 2011110), (12, 1675925), (15, 1340740), (20, 1005555), (25, 804444), (30, 670370), (43, 467700), (50, 402222), (60, 335185), (75, 268148), (86, 233850), (100, 201111), (129, 155900), (150, 134074), (172, 116925), (215, 93540), (258, 77950), (300, 67037), (430, 46770), (516, 38975), (645, 31180), (860, 23385), (1075, 18708), (1290, 15590), (1559, 12900), (2150, 9354), (2580, 7795), (3118, 6450), (3225, 6236), (4300, 4677)]