20804536515

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{198138443}}^1$

素因数の和:198138458

約数の個数: 16

約数和(自身を含む): 38042581248

約数和(自身を除く): 17238044733

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 198138443, 594415329, 990692215, 1386969101, 2972076645, 4160907303, 6934845505, 20804536515]

約数ペア:

[(1, 20804536515), (3, 6934845505), (5, 4160907303), (7, 2972076645), (15, 1386969101), (21, 990692215), (35, 594415329), (105, 198138443)]