2006420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7717}}^1$

素因数の和:7739

約数の個数: 24

約数和(自身を含む): 4538184

約数和(自身を除く): 2531764

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 7717, 15434, 30868, 38585, 77170, 100321, 154340, 200642, 401284, 501605, 1003210, 2006420]

約数ペア:

[(1, 2006420), (2, 1003210), (4, 501605), (5, 401284), (10, 200642), (13, 154340), (20, 100321), (26, 77170), (52, 38585), (65, 30868), (130, 15434), (260, 7717)]