20686090

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{24923}}^1$

素因数の和:25013

約数の個数: 16

約数和(自身を含む): 37685088

約数和(自身を除く): 16998998

約数列:

[1, 2, 5, 10, 83, 166, 415, 830, 24923, 49846, 124615, 249230, 2068609, 4137218, 10343045, 20686090]

約数ペア:

[(1, 20686090), (2, 10343045), (5, 4137218), (10, 2068609), (83, 249230), (166, 124615), (415, 49846), (830, 24923)]