20808108

素因数分解:

$2^2\times 3^2\times {\mathrm{137}}^1\times {\mathrm{4219}}^1$

素因数の和:4366

約数の個数: 36

約数和(自身を含む): 52994760

約数和(自身を除く): 32186652

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 137, 274, 411, 548, 822, 1233, 1644, 2466, 4219, 4932, 8438, 12657, 16876, 25314, 37971, 50628, 75942, 151884, 578003, 1156006, 1734009, 2312012, 3468018, 5202027, 6936036, 10404054, 20808108]

約数ペア:

[(1, 20808108), (2, 10404054), (3, 6936036), (4, 5202027), (6, 3468018), (9, 2312012), (12, 1734009), (18, 1156006), (36, 578003), (137, 151884), (274, 75942), (411, 50628), (548, 37971), (822, 25314), (1233, 16876), (1644, 12657), (2466, 8438), (4219, 4932)]