20334380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{5437}}^1$

素因数の和:5474

約数の個数: 48

約数和(自身を含む): 49333536

約数和(自身を除く): 28999156

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 5437, 10874, 21748, 27185, 54370, 59807, 92429, 108740, 119614, 184858, 239228, 299035, 369716, 462145, 598070, 924290, 1016719, 1196140, 1848580, 2033438, 4066876, 5083595, 10167190, 20334380]

約数ペア:

[(1, 20334380), (2, 10167190), (4, 5083595), (5, 4066876), (10, 2033438), (11, 1848580), (17, 1196140), (20, 1016719), (22, 924290), (34, 598070), (44, 462145), (55, 369716), (68, 299035), (85, 239228), (110, 184858), (170, 119614), (187, 108740), (220, 92429), (340, 59807), (374, 54370), (748, 27185), (935, 21748), (1870, 10874), (3740, 5437)]