20999330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{547}}^1$

素因数の和:914

約数の個数: 32

約数和(自身を含む): 41428800

約数和(自身を除く): 20429470

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 349, 547, 698, 1094, 1745, 2735, 3490, 3839, 5470, 6017, 7678, 12034, 19195, 30085, 38390, 60170, 190903, 381806, 954515, 1909030, 2099933, 4199866, 10499665, 20999330]

約数ペア:

[(1, 20999330), (2, 10499665), (5, 4199866), (10, 2099933), (11, 1909030), (22, 954515), (55, 381806), (110, 190903), (349, 60170), (547, 38390), (698, 30085), (1094, 19195), (1745, 12034), (2735, 7678), (3490, 6017), (3839, 5470)]