20106135940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{657493}}^1$

素因数の和:657652

約数の個数: 48

約数和(自身を含む): 46392776640

約数和(自身を除く): 26286640700

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, 657493, 1314986, 2629972, 3287465, 6574930, 7232423, 13149860, 14464846, 28929692, 36162115, 72324230, 91391527, 144648460, 182783054, 365566108, 456957635, 913915270, 1005306797, 1827830540, 2010613594, 4021227188, 5026533985, 10053067970, 20106135940]

約数ペア:

[(1, 20106135940), (2, 10053067970), (4, 5026533985), (5, 4021227188), (10, 2010613594), (11, 1827830540), (20, 1005306797), (22, 913915270), (44, 456957635), (55, 365566108), (110, 182783054), (139, 144648460), (220, 91391527), (278, 72324230), (556, 36162115), (695, 28929692), (1390, 14464846), (1529, 13149860), (2780, 7232423), (3058, 6574930), (6116, 3287465), (7645, 2629972), (15290, 1314986), (30580, 657493)]