20906712

素因数分解:

$2^3\times 3^2\times {\mathrm{139}}^1\times {\mathrm{2089}}^1$

素因数の和:2240

約数の個数: 48

約数和(自身を含む): 57057000

約数和(自身を除く): 36150288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 139, 278, 417, 556, 834, 1112, 1251, 1668, 2089, 2502, 3336, 4178, 5004, 6267, 8356, 10008, 12534, 16712, 18801, 25068, 37602, 50136, 75204, 150408, 290371, 580742, 871113, 1161484, 1742226, 2322968, 2613339, 3484452, 5226678, 6968904, 10453356, 20906712]

約数ペア:

[(1, 20906712), (2, 10453356), (3, 6968904), (4, 5226678), (6, 3484452), (8, 2613339), (9, 2322968), (12, 1742226), (18, 1161484), (24, 871113), (36, 580742), (72, 290371), (139, 150408), (278, 75204), (417, 50136), (556, 37602), (834, 25068), (1112, 18801), (1251, 16712), (1668, 12534), (2089, 10008), (2502, 8356), (3336, 6267), (4178, 5004)]