20087830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{827}}^1$

素因数の和:1188

約数の個数: 32

約数和(自身を含む): 41492736

約数和(自身を除く): 21404906

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 347, 694, 827, 1654, 1735, 2429, 3470, 4135, 4858, 5789, 8270, 11578, 12145, 24290, 28945, 57890, 286969, 573938, 1434845, 2008783, 2869690, 4017566, 10043915, 20087830]

約数ペア:

[(1, 20087830), (2, 10043915), (5, 4017566), (7, 2869690), (10, 2008783), (14, 1434845), (35, 573938), (70, 286969), (347, 57890), (694, 28945), (827, 24290), (1654, 12145), (1735, 11578), (2429, 8270), (3470, 5789), (4135, 4858)]