16720545

素因数分解:

$3^1\times 5^1\times {\mathrm{907}}^1\times {\mathrm{1229}}^1$

素因数の和:2144

約数の個数: 16

約数和(自身を含む): 26804160

約数和(自身を除く): 10083615

約数列:

[1, 3, 5, 15, 907, 1229, 2721, 3687, 4535, 6145, 13605, 18435, 1114703, 3344109, 5573515, 16720545]

約数ペア:

[(1, 16720545), (3, 5573515), (5, 3344109), (15, 1114703), (907, 18435), (1229, 13605), (2721, 6145), (3687, 4535)]