20799956

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{2393}}^1$

素因数の和:2491

約数の個数: 24

約数和(自身を含む): 38007144

約数和(自身を除く): 17207188

約数列:

[1, 2, 4, 41, 53, 82, 106, 164, 212, 2173, 2393, 4346, 4786, 8692, 9572, 98113, 126829, 196226, 253658, 392452, 507316, 5199989, 10399978, 20799956]

約数ペア:

[(1, 20799956), (2, 10399978), (4, 5199989), (41, 507316), (53, 392452), (82, 253658), (106, 196226), (164, 126829), (212, 98113), (2173, 9572), (2393, 8692), (4346, 4786)]