20833869

素因数分解:

$3^1\times 7^2\times {\mathrm{239}}^1\times {\mathrm{593}}^1$

素因数の和:849

約数の個数: 24

約数和(自身を含む): 32503680

約数和(自身を除く): 11669811

約数列:

[1, 3, 7, 21, 49, 147, 239, 593, 717, 1673, 1779, 4151, 5019, 11711, 12453, 29057, 35133, 87171, 141727, 425181, 992089, 2976267, 6944623, 20833869]

約数ペア:

[(1, 20833869), (3, 6944623), (7, 2976267), (21, 992089), (49, 425181), (147, 141727), (239, 87171), (593, 35133), (717, 29057), (1673, 12453), (1779, 11711), (4151, 5019)]