20895972

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2477}}^1$

素因数の和:2540

約数の個数: 48

約数和(自身を含む): 52731840

約数和(自身を除く): 31835868

約数列:

[1, 2, 3, 4, 6, 12, 19, 37, 38, 57, 74, 76, 111, 114, 148, 222, 228, 444, 703, 1406, 2109, 2477, 2812, 4218, 4954, 7431, 8436, 9908, 14862, 29724, 47063, 91649, 94126, 141189, 183298, 188252, 274947, 282378, 366596, 549894, 564756, 1099788, 1741331, 3482662, 5223993, 6965324, 10447986, 20895972]

約数ペア:

[(1, 20895972), (2, 10447986), (3, 6965324), (4, 5223993), (6, 3482662), (12, 1741331), (19, 1099788), (37, 564756), (38, 549894), (57, 366596), (74, 282378), (76, 274947), (111, 188252), (114, 183298), (148, 141189), (222, 94126), (228, 91649), (444, 47063), (703, 29724), (1406, 14862), (2109, 9908), (2477, 8436), (2812, 7431), (4218, 4954)]