20255795

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{313}}^1$

素因数の和:411

約数の個数: 24

約数和(自身を含む): 28531296

約数和(自身を除く): 8275501

約数列:

[1, 5, 7, 35, 43, 215, 301, 313, 1505, 1565, 1849, 2191, 9245, 10955, 12943, 13459, 64715, 67295, 94213, 471065, 578737, 2893685, 4051159, 20255795]

約数ペア:

[(1, 20255795), (5, 4051159), (7, 2893685), (35, 578737), (43, 471065), (215, 94213), (301, 67295), (313, 64715), (1505, 13459), (1565, 12943), (1849, 10955), (2191, 9245)]