20625176

素因数分解:

$2^3\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{149}}^1$

素因数の和:201

約数の個数: 64

約数和(自身を含む): 46116000

約数和(自身を除く): 25490824

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 121, 143, 149, 242, 286, 298, 484, 572, 596, 968, 1144, 1192, 1331, 1573, 1639, 1937, 2662, 3146, 3278, 3874, 5324, 6292, 6556, 7748, 10648, 12584, 13112, 15496, 17303, 18029, 21307, 34606, 36058, 42614, 69212, 72116, 85228, 138424, 144232, 170456, 198319, 234377, 396638, 468754, 793276, 937508, 1586552, 1875016, 2578147, 5156294, 10312588, 20625176]

約数ペア:

[(1, 20625176), (2, 10312588), (4, 5156294), (8, 2578147), (11, 1875016), (13, 1586552), (22, 937508), (26, 793276), (44, 468754), (52, 396638), (88, 234377), (104, 198319), (121, 170456), (143, 144232), (149, 138424), (242, 85228), (286, 72116), (298, 69212), (484, 42614), (572, 36058), (596, 34606), (968, 21307), (1144, 18029), (1192, 17303), (1331, 15496), (1573, 13112), (1639, 12584), (1937, 10648), (2662, 7748), (3146, 6556), (3278, 6292), (3874, 5324)]