20949686

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:236

約数の個数: 32

約数和(自身を含む): 33758208

約数和(自身を除く): 12808522

約数列:

[1, 2, 43, 47, 71, 73, 86, 94, 142, 146, 2021, 3053, 3139, 3337, 3431, 4042, 5183, 6106, 6278, 6674, 6862, 10366, 143491, 147533, 222869, 243601, 286982, 295066, 445738, 487202, 10474843, 20949686]

約数ペア:

[(1, 20949686), (2, 10474843), (43, 487202), (47, 445738), (71, 295066), (73, 286982), (86, 243601), (94, 222869), (142, 147533), (146, 143491), (2021, 10366), (3053, 6862), (3139, 6674), (3337, 6278), (3431, 6106), (4042, 5183)]