20123202040

素因数分解:

$2^3\times 5^1\times {\mathrm{503080051}}^1$

素因数の和:503080062

約数の個数: 16

約数和(自身を含む): 45277204680

約数和(自身を除く): 25154002640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503080051, 1006160102, 2012320204, 2515400255, 4024640408, 5030800510, 10061601020, 20123202040]

約数ペア:

[(1, 20123202040), (2, 10061601020), (4, 5030800510), (5, 4024640408), (8, 2515400255), (10, 2012320204), (20, 1006160102), (40, 503080051)]