20307730

素因数分解:

$2^1\times 5^1\times {\mathrm{907}}^1\times {\mathrm{2239}}^1$

素因数の和:3153

約数の個数: 16

約数和(自身を含む): 36610560

約数和(自身を除く): 16302830

約数列:

[1, 2, 5, 10, 907, 1814, 2239, 4478, 4535, 9070, 11195, 22390, 2030773, 4061546, 10153865, 20307730]

約数ペア:

[(1, 20307730), (2, 10153865), (5, 4061546), (10, 2030773), (907, 22390), (1814, 11195), (2239, 9070), (4478, 4535)]