31014220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{21841}}^1$

素因数の和:21921

約数の個数: 24

約数和(自身を含む): 66050208

約数和(自身を除く): 35035988

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 21841, 43682, 87364, 109205, 218410, 436820, 1550711, 3101422, 6202844, 7753555, 15507110, 31014220]

約数ペア:

[(1, 31014220), (2, 15507110), (4, 7753555), (5, 6202844), (10, 3101422), (20, 1550711), (71, 436820), (142, 218410), (284, 109205), (355, 87364), (710, 43682), (1420, 21841)]