20973732

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4337}}^1$

素因数の和:4388

約数の個数: 48

約数和(自身を含む): 54415872

約数和(自身を除く): 33442140

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 372, 403, 806, 1209, 1612, 2418, 4337, 4836, 8674, 13011, 17348, 26022, 52044, 56381, 112762, 134447, 169143, 225524, 268894, 338286, 403341, 537788, 676572, 806682, 1613364, 1747811, 3495622, 5243433, 6991244, 10486866, 20973732]

約数ペア:

[(1, 20973732), (2, 10486866), (3, 6991244), (4, 5243433), (6, 3495622), (12, 1747811), (13, 1613364), (26, 806682), (31, 676572), (39, 537788), (52, 403341), (62, 338286), (78, 268894), (93, 225524), (124, 169143), (156, 134447), (186, 112762), (372, 56381), (403, 52044), (806, 26022), (1209, 17348), (1612, 13011), (2418, 8674), (4337, 4836)]