20914082

素因数分解:

$2^1\times 7^3\times {\mathrm{43}}^1\times {\mathrm{709}}^1$

素因数の和:775

約数の個数: 32

約数和(自身を含む): 37488000

約数和(自身を除く): 16573918

約数列:

[1, 2, 7, 14, 43, 49, 86, 98, 301, 343, 602, 686, 709, 1418, 2107, 4214, 4963, 9926, 14749, 29498, 30487, 34741, 60974, 69482, 213409, 243187, 426818, 486374, 1493863, 2987726, 10457041, 20914082]

約数ペア:

[(1, 20914082), (2, 10457041), (7, 2987726), (14, 1493863), (43, 486374), (49, 426818), (86, 243187), (98, 213409), (301, 69482), (343, 60974), (602, 34741), (686, 30487), (709, 29498), (1418, 14749), (2107, 9926), (4214, 4963)]