20156115

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1979}}^1$

素因数の和:2091

約数の個数: 32

約数和(自身を含む): 37255680

約数和(自身を除く): 17099565

約数列:

[1, 3, 5, 7, 15, 21, 35, 97, 105, 291, 485, 679, 1455, 1979, 2037, 3395, 5937, 9895, 10185, 13853, 29685, 41559, 69265, 191963, 207795, 575889, 959815, 1343741, 2879445, 4031223, 6718705, 20156115]

約数ペア:

[(1, 20156115), (3, 6718705), (5, 4031223), (7, 2879445), (15, 1343741), (21, 959815), (35, 575889), (97, 207795), (105, 191963), (291, 69265), (485, 41559), (679, 29685), (1455, 13853), (1979, 10185), (2037, 9895), (3395, 5937)]