207899420

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{24809}}^1$

素因数の和:25237

約数の個数: 24

約数和(自身を含む): 437648400

約数和(自身を除く): 229748980

約数列:

[1, 2, 4, 5, 10, 20, 419, 838, 1676, 2095, 4190, 8380, 24809, 49618, 99236, 124045, 248090, 496180, 10394971, 20789942, 41579884, 51974855, 103949710, 207899420]

約数ペア:

[(1, 207899420), (2, 103949710), (4, 51974855), (5, 41579884), (10, 20789942), (20, 10394971), (419, 496180), (838, 248090), (1676, 124045), (2095, 99236), (4190, 49618), (8380, 24809)]