20468210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{1087}}^1$

素因数の和:1370

約数の個数: 32

約数和(自身を含む): 42301440

約数和(自身を除く): 21833230

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 269, 538, 1087, 1345, 1883, 2174, 2690, 3766, 5435, 7609, 9415, 10870, 15218, 18830, 38045, 76090, 292403, 584806, 1462015, 2046821, 2924030, 4093642, 10234105, 20468210]

約数ペア:

[(1, 20468210), (2, 10234105), (5, 4093642), (7, 2924030), (10, 2046821), (14, 1462015), (35, 584806), (70, 292403), (269, 76090), (538, 38045), (1087, 18830), (1345, 15218), (1883, 10870), (2174, 9415), (2690, 7609), (3766, 5435)]