20895116

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{15319}}^1$

素因数の和:15365

約数の個数: 24

約数和(自身を含む): 41180160

約数和(自身を除く): 20285044

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 124, 341, 682, 1364, 15319, 30638, 61276, 168509, 337018, 474889, 674036, 949778, 1899556, 5223779, 10447558, 20895116]

約数ペア:

[(1, 20895116), (2, 10447558), (4, 5223779), (11, 1899556), (22, 949778), (31, 674036), (44, 474889), (62, 337018), (124, 168509), (341, 61276), (682, 30638), (1364, 15319)]