20228936780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1\times {\mathrm{4481}}^1$

素因数の和:4779

約数の個数: 96

約数和(自身を含む): 46488738240

約数和(自身を除く): 26259801460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 130, 179, 194, 260, 358, 388, 485, 716, 895, 970, 1261, 1790, 1940, 2327, 2522, 3580, 4481, 4654, 5044, 6305, 8962, 9308, 11635, 12610, 17363, 17924, 22405, 23270, 25220, 34726, 44810, 46540, 58253, 69452, 86815, 89620, 116506, 173630, 225719, 233012, 291265, 347260, 434657, 451438, 582530, 802099, 869314, 902876, 1128595, 1165060, 1604198, 1738628, 2173285, 2257190, 3208396, 4010495, 4346570, 4514380, 5650541, 8020990, 8693140, 10427287, 11301082, 16041980, 20854574, 22602164, 28252705, 41709148, 52136435, 56505410, 77803603, 104272870, 113010820, 155607206, 208545740, 311214412, 389018015, 778036030, 1011446839, 1556072060, 2022893678, 4045787356, 5057234195, 10114468390, 20228936780]

約数ペア:

[(1, 20228936780), (2, 10114468390), (4, 5057234195), (5, 4045787356), (10, 2022893678), (13, 1556072060), (20, 1011446839), (26, 778036030), (52, 389018015), (65, 311214412), (97, 208545740), (130, 155607206), (179, 113010820), (194, 104272870), (260, 77803603), (358, 56505410), (388, 52136435), (485, 41709148), (716, 28252705), (895, 22602164), (970, 20854574), (1261, 16041980), (1790, 11301082), (1940, 10427287), (2327, 8693140), (2522, 8020990), (3580, 5650541), (4481, 4514380), (4654, 4346570), (5044, 4010495), (6305, 3208396), (8962, 2257190), (9308, 2173285), (11635, 1738628), (12610, 1604198), (17363, 1165060), (17924, 1128595), (22405, 902876), (23270, 869314), (25220, 802099), (34726, 582530), (44810, 451438), (46540, 434657), (58253, 347260), (69452, 291265), (86815, 233012), (89620, 225719), (116506, 173630)]