20290809

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{5167}}^1$

素因数の和:5205

約数の個数: 32

約数和(自身を含む): 35721216

約数和(自身を除く): 15430407

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 357, 561, 1309, 3927, 5167, 15501, 36169, 56837, 87839, 108507, 170511, 263517, 397859, 614873, 966229, 1193577, 1844619, 2898687, 6763603, 20290809]

約数ペア:

[(1, 20290809), (3, 6763603), (7, 2898687), (11, 1844619), (17, 1193577), (21, 966229), (33, 614873), (51, 397859), (77, 263517), (119, 170511), (187, 108507), (231, 87839), (357, 56837), (561, 36169), (1309, 15501), (3927, 5167)]