20237180

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{6791}}^1$

素因数の和:6949

約数の個数: 24

約数和(自身を含む): 42789600

約数和(自身を除く): 22552420

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 6791, 13582, 27164, 33955, 67910, 135820, 1011859, 2023718, 4047436, 5059295, 10118590, 20237180]

約数ペア:

[(1, 20237180), (2, 10118590), (4, 5059295), (5, 4047436), (10, 2023718), (20, 1011859), (149, 135820), (298, 67910), (596, 33955), (745, 27164), (1490, 13582), (2980, 6791)]