20702654

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{431}}^1$

素因数の和:560

約数の個数: 32

約数和(自身を含む): 36827136

約数和(自身を除く): 16124482

約数列:

[1, 2, 7, 14, 47, 73, 94, 146, 329, 431, 511, 658, 862, 1022, 3017, 3431, 6034, 6862, 20257, 24017, 31463, 40514, 48034, 62926, 141799, 220241, 283598, 440482, 1478761, 2957522, 10351327, 20702654]

約数ペア:

[(1, 20702654), (2, 10351327), (7, 2957522), (14, 1478761), (47, 440482), (73, 283598), (94, 220241), (146, 141799), (329, 62926), (431, 48034), (511, 40514), (658, 31463), (862, 24017), (1022, 20257), (3017, 6862), (3431, 6034)]