201869420

素因数分解:

$2^2\times 5^1\times {\mathrm{2621}}^1\times {\mathrm{3851}}^1$

素因数の和:6481

約数の個数: 24

約数和(自身を含む): 424197648

約数和(自身を除く): 222328228

約数列:

[1, 2, 4, 5, 10, 20, 2621, 3851, 5242, 7702, 10484, 13105, 15404, 19255, 26210, 38510, 52420, 77020, 10093471, 20186942, 40373884, 50467355, 100934710, 201869420]

約数ペア:

[(1, 201869420), (2, 100934710), (4, 50467355), (5, 40373884), (10, 20186942), (20, 10093471), (2621, 77020), (3851, 52420), (5242, 38510), (7702, 26210), (10484, 19255), (13105, 15404)]