20126865

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{547}}^1$

素因数の和:789

約数の個数: 32

約数和(自身を含む): 35352576

約数和(自身を除く): 15225711

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 223, 547, 669, 1115, 1641, 2453, 2735, 3345, 6017, 7359, 8205, 12265, 18051, 30085, 36795, 90255, 121981, 365943, 609905, 1341791, 1829715, 4025373, 6708955, 20126865]

約数ペア:

[(1, 20126865), (3, 6708955), (5, 4025373), (11, 1829715), (15, 1341791), (33, 609905), (55, 365943), (165, 121981), (223, 90255), (547, 36795), (669, 30085), (1115, 18051), (1641, 12265), (2453, 8205), (2735, 7359), (3345, 6017)]