20338395

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17609}}^1$

素因数の和:17635

約数の個数: 32

約数和(自身を含む): 40573440

約数和(自身を除く): 20235045

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 17609, 52827, 88045, 123263, 193699, 264135, 369789, 581097, 616315, 968495, 1355893, 1848945, 2905485, 4067679, 6779465, 20338395]

約数ペア:

[(1, 20338395), (3, 6779465), (5, 4067679), (7, 2905485), (11, 1848945), (15, 1355893), (21, 968495), (33, 616315), (35, 581097), (55, 369789), (77, 264135), (105, 193699), (165, 123263), (231, 88045), (385, 52827), (1155, 17609)]