20487504

素因数分解:

$2^4\times 3^1\times {\mathrm{107}}^1\times {\mathrm{3989}}^1$

素因数の和:4107

約数の個数: 40

約数和(自身を含む): 53434080

約数和(自身を除く): 32946576

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 107, 214, 321, 428, 642, 856, 1284, 1712, 2568, 3989, 5136, 7978, 11967, 15956, 23934, 31912, 47868, 63824, 95736, 191472, 426823, 853646, 1280469, 1707292, 2560938, 3414584, 5121876, 6829168, 10243752, 20487504]

約数ペア:

[(1, 20487504), (2, 10243752), (3, 6829168), (4, 5121876), (6, 3414584), (8, 2560938), (12, 1707292), (16, 1280469), (24, 853646), (48, 426823), (107, 191472), (214, 95736), (321, 63824), (428, 47868), (642, 31912), (856, 23934), (1284, 15956), (1712, 11967), (2568, 7978), (3989, 5136)]