20294320

素因数分解:

$2^4\times 5^1\times {\mathrm{253679}}^1$

素因数の和:253692

約数の個数: 20

約数和(自身を含む): 47184480

約数和(自身を除く): 26890160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 253679, 507358, 1014716, 1268395, 2029432, 2536790, 4058864, 5073580, 10147160, 20294320]

約数ペア:

[(1, 20294320), (2, 10147160), (4, 5073580), (5, 4058864), (8, 2536790), (10, 2029432), (16, 1268395), (20, 1014716), (40, 507358), (80, 253679)]