20056580

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{9929}}^1$

素因数の和:10039

約数の個数: 24

約数和(自身を含む): 42540120

約数和(自身を除く): 22483540

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 9929, 19858, 39716, 49645, 99290, 198580, 1002829, 2005658, 4011316, 5014145, 10028290, 20056580]

約数ペア:

[(1, 20056580), (2, 10028290), (4, 5014145), (5, 4011316), (10, 2005658), (20, 1002829), (101, 198580), (202, 99290), (404, 49645), (505, 39716), (1010, 19858), (2020, 9929)]