20163993160

素因数分解:

$2^3\times 5^1\times {\mathrm{504099829}}^1$

素因数の和:504099840

約数の個数: 16

約数和(自身を含む): 45368984700

約数和(自身を除く): 25204991540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504099829, 1008199658, 2016399316, 2520499145, 4032798632, 5040998290, 10081996580, 20163993160]

約数ペア:

[(1, 20163993160), (2, 10081996580), (4, 5040998290), (5, 4032798632), (8, 2520499145), (10, 2016399316), (20, 1008199658), (40, 504099829)]