20521046

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2399}}^1$

素因数の和:2468

約数の個数: 32

約数和(自身を含む): 38707200

約数和(自身を除く): 18186154

約数列:

[1, 2, 7, 13, 14, 26, 47, 91, 94, 182, 329, 611, 658, 1222, 2399, 4277, 4798, 8554, 16793, 31187, 33586, 62374, 112753, 218309, 225506, 436618, 789271, 1465789, 1578542, 2931578, 10260523, 20521046]

約数ペア:

[(1, 20521046), (2, 10260523), (7, 2931578), (13, 1578542), (14, 1465789), (26, 789271), (47, 436618), (91, 225506), (94, 218309), (182, 112753), (329, 62374), (611, 33586), (658, 31187), (1222, 16793), (2399, 8554), (4277, 4798)]