20804065639

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{107057}}^1$

素因数の和:107175

約数の個数: 32

約数和(自身を含む): 26639456256

約数和(自身を除く): 5835390617

約数列:

[1, 7, 17, 23, 71, 119, 161, 391, 497, 1207, 1633, 2737, 8449, 11431, 27761, 107057, 194327, 749399, 1819969, 2462311, 7601047, 12739783, 17236177, 41859287, 53207329, 129217799, 174824081, 293015009, 904524593, 1223768567, 2972009377, 20804065639]

約数ペア:

[(1, 20804065639), (7, 2972009377), (17, 1223768567), (23, 904524593), (71, 293015009), (119, 174824081), (161, 129217799), (391, 53207329), (497, 41859287), (1207, 17236177), (1633, 12739783), (2737, 7601047), (8449, 2462311), (11431, 1819969), (27761, 749399), (107057, 194327)]