200436020

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{20411}}^1$

素因数の和:20911

約数の個数: 24

約数和(自身を含む): 421793568

約数和(自身を除く): 221357548

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4910, 9820, 20411, 40822, 81644, 102055, 204110, 408220, 10021801, 20043602, 40087204, 50109005, 100218010, 200436020]

約数ペア:

[(1, 200436020), (2, 100218010), (4, 50109005), (5, 40087204), (10, 20043602), (20, 10021801), (491, 408220), (982, 204110), (1964, 102055), (2455, 81644), (4910, 40822), (9820, 20411)]