20179905290

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4217}}^1\times {\mathrm{9029}}^1$

素因数の和:13306

約数の個数: 32

約数和(自身を含む): 37022060880

約数和(自身を除く): 16842155590

約数列:

[1, 2, 5, 10, 53, 106, 265, 530, 4217, 8434, 9029, 18058, 21085, 42170, 45145, 90290, 223501, 447002, 478537, 957074, 1117505, 2235010, 2392685, 4785370, 38075293, 76150586, 190376465, 380752930, 2017990529, 4035981058, 10089952645, 20179905290]

約数ペア:

[(1, 20179905290), (2, 10089952645), (5, 4035981058), (10, 2017990529), (53, 380752930), (106, 190376465), (265, 76150586), (530, 38075293), (4217, 4785370), (8434, 2392685), (9029, 2235010), (18058, 1117505), (21085, 957074), (42170, 478537), (45145, 447002), (90290, 223501)]