20739972

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{3343}}^1$

素因数の和:3408

約数の個数: 48

約数和(自身を含む): 53932032

約数和(自身を除く): 33192060

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 47, 66, 94, 132, 141, 188, 282, 517, 564, 1034, 1551, 2068, 3102, 3343, 6204, 6686, 10029, 13372, 20058, 36773, 40116, 73546, 110319, 147092, 157121, 220638, 314242, 441276, 471363, 628484, 942726, 1728331, 1885452, 3456662, 5184993, 6913324, 10369986, 20739972]

約数ペア:

[(1, 20739972), (2, 10369986), (3, 6913324), (4, 5184993), (6, 3456662), (11, 1885452), (12, 1728331), (22, 942726), (33, 628484), (44, 471363), (47, 441276), (66, 314242), (94, 220638), (132, 157121), (141, 147092), (188, 110319), (282, 73546), (517, 40116), (564, 36773), (1034, 20058), (1551, 13372), (2068, 10029), (3102, 6686), (3343, 6204)]