20059767

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3499}}^1$

素因数の和:3532

約数の個数: 36

約数和(自身を含む): 36309000

約数和(自身を除く): 16249233

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 441, 637, 819, 1911, 3499, 5733, 10497, 24493, 31491, 45487, 73479, 136461, 171451, 220437, 318409, 409383, 514353, 955227, 1543059, 2228863, 2865681, 6686589, 20059767]

約数ペア:

[(1, 20059767), (3, 6686589), (7, 2865681), (9, 2228863), (13, 1543059), (21, 955227), (39, 514353), (49, 409383), (63, 318409), (91, 220437), (117, 171451), (147, 136461), (273, 73479), (441, 45487), (637, 31491), (819, 24493), (1911, 10497), (3499, 5733)]