20187206578

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{85733}}^1$

素因数の和:85903

約数の個数: 48

約数和(自身を含む): 38312809920

約数和(自身を除く): 18125603342

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 139, 154, 242, 278, 847, 973, 1529, 1694, 1946, 3058, 10703, 16819, 21406, 33638, 85733, 117733, 171466, 235466, 600131, 943063, 1200262, 1886126, 6601441, 10373693, 11916887, 13202882, 20747386, 23833774, 72615851, 83418209, 131085757, 145231702, 166836418, 262171514, 917600299, 1441943327, 1835200598, 2883886654, 10093603289, 20187206578]

約数ペア:

[(1, 20187206578), (2, 10093603289), (7, 2883886654), (11, 1835200598), (14, 1441943327), (22, 917600299), (77, 262171514), (121, 166836418), (139, 145231702), (154, 131085757), (242, 83418209), (278, 72615851), (847, 23833774), (973, 20747386), (1529, 13202882), (1694, 11916887), (1946, 10373693), (3058, 6601441), (10703, 1886126), (16819, 1200262), (21406, 943063), (33638, 600131), (85733, 235466), (117733, 171466)]