20178270

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{32029}}^1$

素因数の和:32049

約数の個数: 48

約数和(自身を含む): 59960160

約数和(自身を除く): 39781890

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 32029, 64058, 96087, 160145, 192174, 224203, 288261, 320290, 448406, 480435, 576522, 672609, 960870, 1121015, 1345218, 1441305, 2017827, 2242030, 2882610, 3363045, 4035654, 6726090, 10089135, 20178270]

約数ペア:

[(1, 20178270), (2, 10089135), (3, 6726090), (5, 4035654), (6, 3363045), (7, 2882610), (9, 2242030), (10, 2017827), (14, 1441305), (15, 1345218), (18, 1121015), (21, 960870), (30, 672609), (35, 576522), (42, 480435), (45, 448406), (63, 320290), (70, 288261), (90, 224203), (105, 192174), (126, 160145), (210, 96087), (315, 64058), (630, 32029)]