20691198

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3371}}^1$

素因数の和:3421

約数の個数: 48

約数和(自身を含む): 50499072

約数和(自身を除く): 29807874

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 31, 33, 62, 66, 93, 99, 186, 198, 279, 341, 558, 682, 1023, 2046, 3069, 3371, 6138, 6742, 10113, 20226, 30339, 37081, 60678, 74162, 104501, 111243, 209002, 222486, 313503, 333729, 627006, 667458, 940509, 1149511, 1881018, 2299022, 3448533, 6897066, 10345599, 20691198]

約数ペア:

[(1, 20691198), (2, 10345599), (3, 6897066), (6, 3448533), (9, 2299022), (11, 1881018), (18, 1149511), (22, 940509), (31, 667458), (33, 627006), (62, 333729), (66, 313503), (93, 222486), (99, 209002), (186, 111243), (198, 104501), (279, 74162), (341, 60678), (558, 37081), (682, 30339), (1023, 20226), (2046, 10113), (3069, 6742), (3371, 6138)]