20888948773

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{278813}}^1$

素因数の和:278977

約数の個数: 24

約数和(自身を含む): 26699228640

約数和(自身を除く): 5810279867

約数列:

[1, 7, 11, 49, 77, 139, 539, 973, 1529, 6811, 10703, 74921, 278813, 1951691, 3066943, 13661837, 21468601, 38755007, 150280207, 271285049, 426305077, 1898995343, 2984135539, 20888948773]

約数ペア:

[(1, 20888948773), (7, 2984135539), (11, 1898995343), (49, 426305077), (77, 271285049), (139, 150280207), (539, 38755007), (973, 21468601), (1529, 13661837), (6811, 3066943), (10703, 1951691), (74921, 278813)]