20747570823

素因数分解:

$3^3\times 7^1\times {\mathrm{349}}^1\times {\mathrm{314543}}^1$

素因数の和:314908

約数の個数: 32

約数和(自身を含む): 35228928000

約数和(自身を除く): 14481357177

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 349, 1047, 2443, 3141, 7329, 9423, 21987, 65961, 314543, 943629, 2201801, 2830887, 6605403, 8492661, 19816209, 59448627, 109775507, 329326521, 768428549, 987979563, 2305285647, 2963938689, 6915856941, 20747570823]

約数ペア:

[(1, 20747570823), (3, 6915856941), (7, 2963938689), (9, 2305285647), (21, 987979563), (27, 768428549), (63, 329326521), (189, 109775507), (349, 59448627), (1047, 19816209), (2443, 8492661), (3141, 6605403), (7329, 2830887), (9423, 2201801), (21987, 943629), (65961, 314543)]