200940820

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{23311}}^1$

素因数の和:23751

約数の個数: 24

約数和(自身を含む): 422972928

約数和(自身を除く): 222032108

約数列:

[1, 2, 4, 5, 10, 20, 431, 862, 1724, 2155, 4310, 8620, 23311, 46622, 93244, 116555, 233110, 466220, 10047041, 20094082, 40188164, 50235205, 100470410, 200940820]

約数ペア:

[(1, 200940820), (2, 100470410), (4, 50235205), (5, 40188164), (10, 20094082), (20, 10047041), (431, 466220), (862, 233110), (1724, 116555), (2155, 93244), (4310, 46622), (8620, 23311)]