20435170189

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1259}}^1\times {\mathrm{2161}}^1$

素因数の和:3493

約数の個数: 32

約数和(自身を含む): 24843974400

約数和(自身を除く): 4408804211

約数列:

[1, 7, 29, 37, 203, 259, 1073, 1259, 2161, 7511, 8813, 15127, 36511, 46583, 62669, 79957, 255577, 326081, 438683, 559699, 1350907, 2318753, 2720699, 9456349, 16231271, 19044893, 78900271, 100665863, 552301897, 704661041, 2919310027, 20435170189]

約数ペア:

[(1, 20435170189), (7, 2919310027), (29, 704661041), (37, 552301897), (203, 100665863), (259, 78900271), (1073, 19044893), (1259, 16231271), (2161, 9456349), (7511, 2720699), (8813, 2318753), (15127, 1350907), (36511, 559699), (46583, 438683), (62669, 326081), (79957, 255577)]