20890401

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{14011}}^1$

素因数の和:14092

約数の個数: 16

約数和(自身を含む): 32283648

約数和(自身を除く): 11393247

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 14011, 42033, 98077, 294231, 994781, 2984343, 6963467, 20890401]

約数ペア:

[(1, 20890401), (3, 6963467), (7, 2984343), (21, 994781), (71, 294231), (213, 98077), (497, 42033), (1491, 14011)]