20881620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{116009}}^1$

素因数の和:116024

約数の個数: 36

約数和(自身を含む): 63341460

約数和(自身を除く): 42459840

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 116009, 232018, 348027, 464036, 580045, 696054, 1044081, 1160090, 1392108, 1740135, 2088162, 2320180, 3480270, 4176324, 5220405, 6960540, 10440810, 20881620]

約数ペア:

[(1, 20881620), (2, 10440810), (3, 6960540), (4, 5220405), (5, 4176324), (6, 3480270), (9, 2320180), (10, 2088162), (12, 1740135), (15, 1392108), (18, 1160090), (20, 1044081), (30, 696054), (36, 580045), (45, 464036), (60, 348027), (90, 232018), (180, 116009)]