15511820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1061}}^1$

素因数の和:1130

約数の個数: 48

約数和(自身を含む): 35326368

約数和(自身を除く): 19814548

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 1061, 1462, 2122, 2924, 3655, 4244, 5305, 7310, 10610, 14620, 18037, 21220, 36074, 45623, 72148, 90185, 91246, 180370, 182492, 228115, 360740, 456230, 775591, 912460, 1551182, 3102364, 3877955, 7755910, 15511820]

約数ペア:

[(1, 15511820), (2, 7755910), (4, 3877955), (5, 3102364), (10, 1551182), (17, 912460), (20, 775591), (34, 456230), (43, 360740), (68, 228115), (85, 182492), (86, 180370), (170, 91246), (172, 90185), (215, 72148), (340, 45623), (430, 36074), (731, 21220), (860, 18037), (1061, 14620), (1462, 10610), (2122, 7310), (2924, 5305), (3655, 4244)]