207940420

素因数分解:

$2^2\times 5^1\times {\mathrm{1531}}^1\times {\mathrm{6791}}^1$

素因数の和:8331

約数の個数: 24

約数和(自身を含む): 437024448

約数和(自身を除く): 229084028

約数列:

[1, 2, 4, 5, 10, 20, 1531, 3062, 6124, 6791, 7655, 13582, 15310, 27164, 30620, 33955, 67910, 135820, 10397021, 20794042, 41588084, 51985105, 103970210, 207940420]

約数ペア:

[(1, 207940420), (2, 103970210), (4, 51985105), (5, 41588084), (10, 20794042), (20, 10397021), (1531, 135820), (3062, 67910), (6124, 33955), (6791, 30620), (7655, 27164), (13582, 15310)]