20845856

素因数分解:

$2^5\times {\mathrm{577}}^1\times {\mathrm{1129}}^1$

素因数の和:1716

約数の個数: 24

約数和(自身を含む): 41147820

約数和(自身を除く): 20301964

約数列:

[1, 2, 4, 8, 16, 32, 577, 1129, 1154, 2258, 2308, 4516, 4616, 9032, 9232, 18064, 18464, 36128, 651433, 1302866, 2605732, 5211464, 10422928, 20845856]

約数ペア:

[(1, 20845856), (2, 10422928), (4, 5211464), (8, 2605732), (16, 1302866), (32, 651433), (577, 36128), (1129, 18464), (1154, 18064), (2258, 9232), (2308, 9032), (4516, 4616)]