20899605

素因数分解:

$3^1\times 5^1\times {\mathrm{487}}^1\times {\mathrm{2861}}^1$

素因数の和:3356

約数の個数: 16

約数和(自身を含む): 33519744

約数和(自身を除く): 12620139

約数列:

[1, 3, 5, 15, 487, 1461, 2435, 2861, 7305, 8583, 14305, 42915, 1393307, 4179921, 6966535, 20899605]

約数ペア:

[(1, 20899605), (3, 6966535), (5, 4179921), (15, 1393307), (487, 42915), (1461, 14305), (2435, 8583), (2861, 7305)]