20148255

素因数分解:

$3^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1151}}^1$

素因数の和:1551

約数の個数: 24

約数和(自身を含む): 35043840

約数和(自身を除く): 14895585

約数列:

[1, 3, 5, 9, 15, 45, 389, 1151, 1167, 1945, 3453, 3501, 5755, 5835, 10359, 17265, 17505, 51795, 447739, 1343217, 2238695, 4029651, 6716085, 20148255]

約数ペア:

[(1, 20148255), (3, 6716085), (5, 4029651), (9, 2238695), (15, 1343217), (45, 447739), (389, 51795), (1151, 17505), (1167, 17265), (1945, 10359), (3453, 5835), (3501, 5755)]