20218965215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{443}}^1\times {\mathrm{536953}}^1$

素因数の和:537418

約数の個数: 16

約数和(自身を含む): 25748018208

約数和(自身を除く): 5529052993

約数列:

[1, 5, 17, 85, 443, 2215, 7531, 37655, 536953, 2684765, 9128201, 45641005, 237870179, 1189350895, 4043793043, 20218965215]

約数ペア:

[(1, 20218965215), (5, 4043793043), (17, 1189350895), (85, 237870179), (443, 45641005), (2215, 9128201), (7531, 2684765), (37655, 536953)]