20198535160

素因数分解:

$2^3\times 5^1\times {\mathrm{504963379}}^1$

素因数の和:504963390

約数の個数: 16

約数和(自身を含む): 45446704200

約数和(自身を除く): 25248169040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504963379, 1009926758, 2019853516, 2524816895, 4039707032, 5049633790, 10099267580, 20198535160]

約数ペア:

[(1, 20198535160), (2, 10099267580), (4, 5049633790), (5, 4039707032), (8, 2524816895), (10, 2019853516), (20, 1009926758), (40, 504963379)]