20676.00000000

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{4091}}^1$

素因数の和:4178

約数の個数: 32

約数和(自身を含む): 91333440

約数和(自身を除く): 43918750

約数列:

[1, 2, 5, 10, 19, 38, 61, 95, 122, 190, 305, 610, 1159, 2318, 4091, 5795, 8182, 11590, 20455, 40910, 77729, 155458, 249551, 388645, 499102, 777290, 1247755, 2495510, 4741469, 9482938, 23707345, 47414690]

約数ペア:

[(1, 47414690), (2, 23707345), (5, 9482938), (10, 4741469), (19, 2495510), (38, 1247755), (61, 777290), (95, 499102), (122, 388645), (190, 249551), (305, 155458), (610, 77729), (1159, 40910), (2318, 20455), (4091, 11590), (5795, 8182)]