202470020

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{19889}}^1$

素因数の和:20407

約数の個数: 24

約数和(自身を含む): 426043800

約数和(自身を除く): 223573780

約数列:

[1, 2, 4, 5, 10, 20, 509, 1018, 2036, 2545, 5090, 10180, 19889, 39778, 79556, 99445, 198890, 397780, 10123501, 20247002, 40494004, 50617505, 101235010, 202470020]

約数ペア:

[(1, 202470020), (2, 101235010), (4, 50617505), (5, 40494004), (10, 20247002), (20, 10123501), (509, 397780), (1018, 198890), (2036, 99445), (2545, 79556), (5090, 39778), (10180, 19889)]