20985240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{174877}}^1$

素因数の和:174891

約数の個数: 32

約数和(自身を含む): 62956080

約数和(自身を除く): 41970840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 174877, 349754, 524631, 699508, 874385, 1049262, 1399016, 1748770, 2098524, 2623155, 3497540, 4197048, 5246310, 6995080, 10492620, 20985240]

約数ペア:

[(1, 20985240), (2, 10492620), (3, 6995080), (4, 5246310), (5, 4197048), (6, 3497540), (8, 2623155), (10, 2098524), (12, 1748770), (15, 1399016), (20, 1049262), (24, 874385), (30, 699508), (40, 524631), (60, 349754), (120, 174877)]