20280690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{225341}}^1$

素因数の和:225354

約数の個数: 24

約数和(自身を含む): 52730028

約数和(自身を除く): 32449338

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 225341, 450682, 676023, 1126705, 1352046, 2028069, 2253410, 3380115, 4056138, 6760230, 10140345, 20280690]

約数ペア:

[(1, 20280690), (2, 10140345), (3, 6760230), (5, 4056138), (6, 3380115), (9, 2253410), (10, 2028069), (15, 1352046), (18, 1126705), (30, 676023), (45, 450682), (90, 225341)]