20218014680

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{91253}}^1$

素因数の和:91484

約数の個数: 64

約数和(自身を含む): 47306073600

約数和(自身を除く): 27088058920

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 191, 232, 290, 382, 580, 764, 955, 1160, 1528, 1910, 3820, 5539, 7640, 11078, 22156, 27695, 44312, 55390, 91253, 110780, 182506, 221560, 365012, 456265, 730024, 912530, 1825060, 2646337, 3650120, 5292674, 10585348, 13231685, 17429323, 21170696, 26463370, 34858646, 52926740, 69717292, 87146615, 105853480, 139434584, 174293230, 348586460, 505450367, 697172920, 1010900734, 2021801468, 2527251835, 4043602936, 5054503670, 10109007340, 20218014680]

約数ペア:

[(1, 20218014680), (2, 10109007340), (4, 5054503670), (5, 4043602936), (8, 2527251835), (10, 2021801468), (20, 1010900734), (29, 697172920), (40, 505450367), (58, 348586460), (116, 174293230), (145, 139434584), (191, 105853480), (232, 87146615), (290, 69717292), (382, 52926740), (580, 34858646), (764, 26463370), (955, 21170696), (1160, 17429323), (1528, 13231685), (1910, 10585348), (3820, 5292674), (5539, 3650120), (7640, 2646337), (11078, 1825060), (22156, 912530), (27695, 730024), (44312, 456265), (55390, 365012), (91253, 221560), (110780, 182506)]