20930288

素因数分解:

$2^4\times {\mathrm{811}}^1\times {\mathrm{1613}}^1$

素因数の和:2432

約数の個数: 20

約数和(自身を含む): 40627608

約数和(自身を除く): 19697320

約数列:

[1, 2, 4, 8, 16, 811, 1613, 1622, 3226, 3244, 6452, 6488, 12904, 12976, 25808, 1308143, 2616286, 5232572, 10465144, 20930288]

約数ペア:

[(1, 20930288), (2, 10465144), (4, 5232572), (8, 2616286), (16, 1308143), (811, 25808), (1613, 12976), (1622, 12904), (3226, 6488), (3244, 6452)]