20280755

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{751}}^1$

素因数の和:1258

約数の個数: 16

約数和(自身を含む): 26638848

約数和(自身を除く): 6358093

約数列:

[1, 5, 11, 55, 491, 751, 2455, 3755, 5401, 8261, 27005, 41305, 368741, 1843705, 4056151, 20280755]

約数ペア:

[(1, 20280755), (5, 4056151), (11, 1843705), (55, 368741), (491, 41305), (751, 27005), (2455, 8261), (3755, 5401)]