20480985

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{21673}}^1$

素因数の和:21694

約数の個数: 32

約数和(自身を含む): 41614080

約数和(自身を除く): 21133095

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 21673, 65019, 108365, 151711, 195057, 325095, 455133, 585171, 758555, 975285, 1365399, 2275665, 2925855, 4096197, 6826995, 20480985]

約数ペア:

[(1, 20480985), (3, 6826995), (5, 4096197), (7, 2925855), (9, 2275665), (15, 1365399), (21, 975285), (27, 758555), (35, 585171), (45, 455133), (63, 325095), (105, 195057), (135, 151711), (189, 108365), (315, 65019), (945, 21673)]