20104888

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4561}}^1$

素因数の和:4615

約数の個数: 32

約数和(自身を含む): 41058000

約数和(自身を除く): 20953112

約数列:

[1, 2, 4, 8, 19, 29, 38, 58, 76, 116, 152, 232, 551, 1102, 2204, 4408, 4561, 9122, 18244, 36488, 86659, 132269, 173318, 264538, 346636, 529076, 693272, 1058152, 2513111, 5026222, 10052444, 20104888]

約数ペア:

[(1, 20104888), (2, 10052444), (4, 5026222), (8, 2513111), (19, 1058152), (29, 693272), (38, 529076), (58, 346636), (76, 264538), (116, 173318), (152, 132269), (232, 86659), (551, 36488), (1102, 18244), (2204, 9122), (4408, 4561)]