20592075

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{643}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 39608576

約数和(自身を除く): 19016501

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 61, 75, 105, 175, 183, 305, 427, 525, 643, 915, 1281, 1525, 1929, 2135, 3215, 4501, 4575, 6405, 9645, 10675, 13503, 16075, 22505, 32025, 39223, 48225, 67515, 112525, 117669, 196115, 274561, 337575, 588345, 823683, 980575, 1372805, 2941725, 4118415, 6864025, 20592075]

約数ペア:

[(1, 20592075), (3, 6864025), (5, 4118415), (7, 2941725), (15, 1372805), (21, 980575), (25, 823683), (35, 588345), (61, 337575), (75, 274561), (105, 196115), (175, 117669), (183, 112525), (305, 67515), (427, 48225), (525, 39223), (643, 32025), (915, 22505), (1281, 16075), (1525, 13503), (1929, 10675), (2135, 9645), (3215, 6405), (4501, 4575)]