20307255

素因数分解:

$3^1\times 5^1\times {\mathrm{1039}}^1\times {\mathrm{1303}}^1$

素因数の和:2350

約数の個数: 16

約数和(自身を含む): 32547840

約数和(自身を除く): 12240585

約数列:

[1, 3, 5, 15, 1039, 1303, 3117, 3909, 5195, 6515, 15585, 19545, 1353817, 4061451, 6769085, 20307255]

約数ペア:

[(1, 20307255), (3, 6769085), (5, 4061451), (15, 1353817), (1039, 19545), (1303, 15585), (3117, 6515), (3909, 5195)]