20168856

素因数分解:

$2^3\times 3^2\times {\mathrm{373}}^1\times {\mathrm{751}}^1$

素因数の和:1136

約数の個数: 48

約数和(自身を含む): 54843360

約数和(自身を除く): 34674504

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 373, 746, 751, 1119, 1492, 1502, 2238, 2253, 2984, 3004, 3357, 4476, 4506, 6008, 6714, 6759, 8952, 9012, 13428, 13518, 18024, 26856, 27036, 54072, 280123, 560246, 840369, 1120492, 1680738, 2240984, 2521107, 3361476, 5042214, 6722952, 10084428, 20168856]

約数ペア:

[(1, 20168856), (2, 10084428), (3, 6722952), (4, 5042214), (6, 3361476), (8, 2521107), (9, 2240984), (12, 1680738), (18, 1120492), (24, 840369), (36, 560246), (72, 280123), (373, 54072), (746, 27036), (751, 26856), (1119, 18024), (1492, 13518), (1502, 13428), (2238, 9012), (2253, 8952), (2984, 6759), (3004, 6714), (3357, 6008), (4476, 4506)]