20436320

素因数分解:

$2^5\times 5^1\times {\mathrm{127727}}^1$

素因数の和:127742

約数の個数: 24

約数和(自身を含む): 48281184

約数和(自身を除く): 27844864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 127727, 255454, 510908, 638635, 1021816, 1277270, 2043632, 2554540, 4087264, 5109080, 10218160, 20436320]

約数ペア:

[(1, 20436320), (2, 10218160), (4, 5109080), (5, 4087264), (8, 2554540), (10, 2043632), (16, 1277270), (20, 1021816), (32, 638635), (40, 510908), (80, 255454), (160, 127727)]