20112557740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{657703}}^1$

素因数の和:657862

約数の個数: 48

約数和(自身を含む): 46407594240

約数和(自身を除く): 26295036500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 139, 220, 278, 556, 695, 1390, 1529, 2780, 3058, 6116, 7645, 15290, 30580, 657703, 1315406, 2630812, 3288515, 6577030, 7234733, 13154060, 14469466, 28938932, 36173665, 72347330, 91420717, 144694660, 182841434, 365682868, 457103585, 914207170, 1005627887, 1828414340, 2011255774, 4022511548, 5028139435, 10056278870, 20112557740]

約数ペア:

[(1, 20112557740), (2, 10056278870), (4, 5028139435), (5, 4022511548), (10, 2011255774), (11, 1828414340), (20, 1005627887), (22, 914207170), (44, 457103585), (55, 365682868), (110, 182841434), (139, 144694660), (220, 91420717), (278, 72347330), (556, 36173665), (695, 28938932), (1390, 14469466), (1529, 13154060), (2780, 7234733), (3058, 6577030), (6116, 3288515), (7645, 2630812), (15290, 1315406), (30580, 657703)]