2013721820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{212867}}^1$

素因数の和:212930

約数の個数: 48

約数和(自身を含む): 4720560768

約数和(自身を除く): 2706838948

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 4730, 9460, 212867, 425734, 851468, 1064335, 2128670, 2341537, 4257340, 4683074, 9153281, 9366148, 11707685, 18306562, 23415370, 36613124, 45766405, 46830740, 91532810, 100686091, 183065620, 201372182, 402744364, 503430455, 1006860910, 2013721820]

約数ペア:

[(1, 2013721820), (2, 1006860910), (4, 503430455), (5, 402744364), (10, 201372182), (11, 183065620), (20, 100686091), (22, 91532810), (43, 46830740), (44, 45766405), (55, 36613124), (86, 23415370), (110, 18306562), (172, 11707685), (215, 9366148), (220, 9153281), (430, 4683074), (473, 4257340), (860, 2341537), (946, 2128670), (1892, 1064335), (2365, 851468), (4730, 425734), (9460, 212867)]