20233689

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{157}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 34674048

約数和(自身を除く): 14440359

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 157, 323, 357, 361, 399, 471, 969, 1083, 1099, 2261, 2527, 2669, 2983, 3297, 6137, 6783, 7581, 8007, 8949, 18411, 18683, 20881, 42959, 50711, 56049, 56677, 62643, 128877, 152133, 170031, 354977, 396739, 963509, 1064931, 1190217, 2890527, 6744563, 20233689]

約数ペア:

[(1, 20233689), (3, 6744563), (7, 2890527), (17, 1190217), (19, 1064931), (21, 963509), (51, 396739), (57, 354977), (119, 170031), (133, 152133), (157, 128877), (323, 62643), (357, 56677), (361, 56049), (399, 50711), (471, 42959), (969, 20881), (1083, 18683), (1099, 18411), (2261, 8949), (2527, 8007), (2669, 7581), (2983, 6783), (3297, 6137)]