20918052

素因数分解:

$2^2\times 3^2\times {\mathrm{157}}^1\times {\mathrm{3701}}^1$

素因数の和:3868

約数の個数: 36

約数和(自身を含む): 53227356

約数和(自身を除く): 32309304

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 157, 314, 471, 628, 942, 1413, 1884, 2826, 3701, 5652, 7402, 11103, 14804, 22206, 33309, 44412, 66618, 133236, 581057, 1162114, 1743171, 2324228, 3486342, 5229513, 6972684, 10459026, 20918052]

約数ペア:

[(1, 20918052), (2, 10459026), (3, 6972684), (4, 5229513), (6, 3486342), (9, 2324228), (12, 1743171), (18, 1162114), (36, 581057), (157, 133236), (314, 66618), (471, 44412), (628, 33309), (942, 22206), (1413, 14804), (1884, 11103), (2826, 7402), (3701, 5652)]