20360781

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6337}}^1$

素因数の和:6370

約数の個数: 32

約数和(自身を含む): 36506880

約数和(自身を除く): 16146099

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 357, 459, 1071, 3213, 6337, 19011, 44359, 57033, 107729, 133077, 171099, 323187, 399231, 754103, 969561, 1197693, 2262309, 2908683, 6786927, 20360781]

約数ペア:

[(1, 20360781), (3, 6786927), (7, 2908683), (9, 2262309), (17, 1197693), (21, 969561), (27, 754103), (51, 399231), (63, 323187), (119, 171099), (153, 133077), (189, 107729), (357, 57033), (459, 44359), (1071, 19011), (3213, 6337)]