20876414

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:392

約数の個数: 32

約数和(自身を含む): 35126784

約数和(自身を除く): 14250370

約数列:

[1, 2, 13, 26, 43, 71, 86, 142, 263, 526, 559, 923, 1118, 1846, 3053, 3419, 6106, 6838, 11309, 18673, 22618, 37346, 39689, 79378, 147017, 242749, 294034, 485498, 802939, 1605878, 10438207, 20876414]

約数ペア:

[(1, 20876414), (2, 10438207), (13, 1605878), (26, 802939), (43, 485498), (71, 294034), (86, 242749), (142, 147017), (263, 79378), (526, 39689), (559, 37346), (923, 22618), (1118, 18673), (1846, 11309), (3053, 6838), (3419, 6106)]