20814765

素因数分解:

$3^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{6113}}^1$

素因数の和:6348

約数の個数: 16

約数和(自身を含む): 33455808

約数和(自身を除く): 12641043

約数列:

[1, 3, 5, 15, 227, 681, 1135, 3405, 6113, 18339, 30565, 91695, 1387651, 4162953, 6938255, 20814765]

約数ペア:

[(1, 20814765), (3, 6938255), (5, 4162953), (15, 1387651), (227, 91695), (681, 30565), (1135, 18339), (3405, 6113)]