20779065

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8101}}^1$

素因数の和:8134

約数の個数: 32

約数和(自身を含む): 38889600

約数和(自身を除く): 18110535

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 8101, 24303, 40505, 72909, 121515, 153919, 218727, 364545, 461757, 769595, 1093635, 1385271, 2308785, 4155813, 6926355, 20779065]

約数ペア:

[(1, 20779065), (3, 6926355), (5, 4155813), (9, 2308785), (15, 1385271), (19, 1093635), (27, 769595), (45, 461757), (57, 364545), (95, 218727), (135, 153919), (171, 121515), (285, 72909), (513, 40505), (855, 24303), (2565, 8101)]