20003056

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{7963}}^1$

素因数の和:8128

約数の個数: 20

約数和(自身を含む): 39007672

約数和(自身を除く): 19004616

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 7963, 15926, 31852, 63704, 127408, 1250191, 2500382, 5000764, 10001528, 20003056]

約数ペア:

[(1, 20003056), (2, 10001528), (4, 5000764), (8, 2500382), (16, 1250191), (157, 127408), (314, 63704), (628, 31852), (1256, 15926), (2512, 7963)]