20346170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2953}}^1$

素因数の和:3026

約数の個数: 32

約数和(自身を含む): 40198032

約数和(自身を除く): 19851862

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 530, 689, 1378, 2953, 3445, 5906, 6890, 14765, 29530, 38389, 76778, 156509, 191945, 313018, 383890, 782545, 1565090, 2034617, 4069234, 10173085, 20346170]

約数ペア:

[(1, 20346170), (2, 10173085), (5, 4069234), (10, 2034617), (13, 1565090), (26, 782545), (53, 383890), (65, 313018), (106, 191945), (130, 156509), (265, 76778), (530, 38389), (689, 29530), (1378, 14765), (2953, 6890), (3445, 5906)]