20418090

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8839}}^1$

素因数の和:8867

約数の個数: 64

約数和(自身を含む): 61102080

約数和(自身を除く): 40683990

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 70, 77, 105, 110, 154, 165, 210, 231, 330, 385, 462, 770, 1155, 2310, 8839, 17678, 26517, 44195, 53034, 61873, 88390, 97229, 123746, 132585, 185619, 194458, 265170, 291687, 309365, 371238, 486145, 583374, 618730, 680603, 928095, 972290, 1361206, 1458435, 1856190, 2041809, 2916870, 3403015, 4083618, 6806030, 10209045, 20418090]

約数ペア:

[(1, 20418090), (2, 10209045), (3, 6806030), (5, 4083618), (6, 3403015), (7, 2916870), (10, 2041809), (11, 1856190), (14, 1458435), (15, 1361206), (21, 972290), (22, 928095), (30, 680603), (33, 618730), (35, 583374), (42, 486145), (55, 371238), (66, 309365), (70, 291687), (77, 265170), (105, 194458), (110, 185619), (154, 132585), (165, 123746), (210, 97229), (231, 88390), (330, 61873), (385, 53034), (462, 44195), (770, 26517), (1155, 17678), (2310, 8839)]