20042730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5179}}^1$

素因数の和:5235

約数の個数: 48

約数和(自身を含む): 53333280

約数和(自身を除く): 33290550

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 774, 1290, 1935, 3870, 5179, 10358, 15537, 25895, 31074, 46611, 51790, 77685, 93222, 155370, 222697, 233055, 445394, 466110, 668091, 1113485, 1336182, 2004273, 2226970, 3340455, 4008546, 6680910, 10021365, 20042730]

約数ペア:

[(1, 20042730), (2, 10021365), (3, 6680910), (5, 4008546), (6, 3340455), (9, 2226970), (10, 2004273), (15, 1336182), (18, 1113485), (30, 668091), (43, 466110), (45, 445394), (86, 233055), (90, 222697), (129, 155370), (215, 93222), (258, 77685), (387, 51790), (430, 46611), (645, 31074), (774, 25895), (1290, 15537), (1935, 10358), (3870, 5179)]