20388510

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{25171}}^1$

素因数の和:25190

約数の個数: 40

約数和(自身を含む): 54824616

約数和(自身を除く): 34436106

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 25171, 50342, 75513, 125855, 151026, 226539, 251710, 377565, 453078, 679617, 755130, 1132695, 1359234, 2038851, 2265390, 3398085, 4077702, 6796170, 10194255, 20388510]

約数ペア:

[(1, 20388510), (2, 10194255), (3, 6796170), (5, 4077702), (6, 3398085), (9, 2265390), (10, 2038851), (15, 1359234), (18, 1132695), (27, 755130), (30, 679617), (45, 453078), (54, 377565), (81, 251710), (90, 226539), (135, 151026), (162, 125855), (270, 75513), (405, 50342), (810, 25171)]