200384020

素因数分解:

$2^2\times 5^1\times {\mathrm{2251}}^1\times {\mathrm{4451}}^1$

素因数の和:6711

約数の個数: 24

約数和(自身を含む): 421087968

約数和(自身を除く): 220703948

約数列:

[1, 2, 4, 5, 10, 20, 2251, 4451, 4502, 8902, 9004, 11255, 17804, 22255, 22510, 44510, 45020, 89020, 10019201, 20038402, 40076804, 50096005, 100192010, 200384020]

約数ペア:

[(1, 200384020), (2, 100192010), (4, 50096005), (5, 40076804), (10, 20038402), (20, 10019201), (2251, 89020), (4451, 45020), (4502, 44510), (8902, 22510), (9004, 22255), (11255, 17804)]