20358504

素因数分解:

$2^3\times 3^2\times {\mathrm{157}}^1\times {\mathrm{1801}}^1$

素因数の和:1970

約数の個数: 48

約数和(自身を含む): 55519620

約数和(自身を除く): 35161116

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 157, 314, 471, 628, 942, 1256, 1413, 1801, 1884, 2826, 3602, 3768, 5403, 5652, 7204, 10806, 11304, 14408, 16209, 21612, 32418, 43224, 64836, 129672, 282757, 565514, 848271, 1131028, 1696542, 2262056, 2544813, 3393084, 5089626, 6786168, 10179252, 20358504]

約数ペア:

[(1, 20358504), (2, 10179252), (3, 6786168), (4, 5089626), (6, 3393084), (8, 2544813), (9, 2262056), (12, 1696542), (18, 1131028), (24, 848271), (36, 565514), (72, 282757), (157, 129672), (314, 64836), (471, 43224), (628, 32418), (942, 21612), (1256, 16209), (1413, 14408), (1801, 11304), (1884, 10806), (2826, 7204), (3602, 5652), (3768, 5403)]