20369100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1579}}^1$

素因数の和:1639

約数の個数: 72

約数和(自身を含む): 60343360

約数和(自身を除く): 39974260

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, 1579, 2150, 2580, 3158, 3225, 4300, 4737, 6316, 6450, 7895, 9474, 12900, 15790, 18948, 23685, 31580, 39475, 47370, 67897, 78950, 94740, 118425, 135794, 157900, 203691, 236850, 271588, 339485, 407382, 473700, 678970, 814764, 1018455, 1357940, 1697425, 2036910, 3394850, 4073820, 5092275, 6789700, 10184550, 20369100]

約数ペア:

[(1, 20369100), (2, 10184550), (3, 6789700), (4, 5092275), (5, 4073820), (6, 3394850), (10, 2036910), (12, 1697425), (15, 1357940), (20, 1018455), (25, 814764), (30, 678970), (43, 473700), (50, 407382), (60, 339485), (75, 271588), (86, 236850), (100, 203691), (129, 157900), (150, 135794), (172, 118425), (215, 94740), (258, 78950), (300, 67897), (430, 47370), (516, 39475), (645, 31580), (860, 23685), (1075, 18948), (1290, 15790), (1579, 12900), (2150, 9474), (2580, 7895), (3158, 6450), (3225, 6316), (4300, 4737)]