20795649

素因数分解:

$3^1\times 7^2\times {\mathrm{241}}^1\times {\mathrm{587}}^1$

素因数の和:845

約数の個数: 24

約数和(自身を含む): 32443488

約数和(自身を除く): 11647839

約数列:

[1, 3, 7, 21, 49, 147, 241, 587, 723, 1687, 1761, 4109, 5061, 11809, 12327, 28763, 35427, 86289, 141467, 424401, 990269, 2970807, 6931883, 20795649]

約数ペア:

[(1, 20795649), (3, 6931883), (7, 2970807), (21, 990269), (49, 424401), (147, 141467), (241, 86289), (587, 35427), (723, 28763), (1687, 12327), (1761, 11809), (4109, 5061)]