13365020

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1361}}^1$

素因数の和:1861

約数の個数: 24

約数和(自身を含む): 28144368

約数和(自身を除く): 14779348

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1361, 1964, 2455, 2722, 4910, 5444, 6805, 9820, 13610, 27220, 668251, 1336502, 2673004, 3341255, 6682510, 13365020]

約数ペア:

[(1, 13365020), (2, 6682510), (4, 3341255), (5, 2673004), (10, 1336502), (20, 668251), (491, 27220), (982, 13610), (1361, 9820), (1964, 6805), (2455, 5444), (2722, 4910)]