20032720

素因数分解:

$2^4\times 5^1\times {\mathrm{250409}}^1$

素因数の和:250422

約数の個数: 20

約数和(自身を含む): 46576260

約数和(自身を除く): 26543540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 250409, 500818, 1001636, 1252045, 2003272, 2504090, 4006544, 5008180, 10016360, 20032720]

約数ペア:

[(1, 20032720), (2, 10016360), (4, 5008180), (5, 4006544), (8, 2504090), (10, 2003272), (16, 1252045), (20, 1001636), (40, 500818), (80, 250409)]