20739146

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:494

約数の個数: 32

約数和(自身を含む): 34819200

約数和(自身を除く): 14080054

約数列:

[1, 2, 19, 23, 38, 46, 61, 122, 389, 437, 778, 874, 1159, 1403, 2318, 2806, 7391, 8947, 14782, 17894, 23729, 26657, 47458, 53314, 169993, 339986, 450851, 545767, 901702, 1091534, 10369573, 20739146]

約数ペア:

[(1, 20739146), (2, 10369573), (19, 1091534), (23, 901702), (38, 545767), (46, 450851), (61, 339986), (122, 169993), (389, 53314), (437, 47458), (778, 26657), (874, 23729), (1159, 17894), (1403, 14782), (2318, 8947), (2806, 7391)]