20101448220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{727}}^1\times {\mathrm{1531}}^1$

素因数の和:2320

約数の個数: 192

約数和(自身を含む): 65954144256

約数和(自身を除く): 45852696036

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 60, 70, 84, 86, 105, 129, 140, 172, 210, 215, 258, 301, 420, 430, 516, 602, 645, 727, 860, 903, 1204, 1290, 1454, 1505, 1531, 1806, 2181, 2580, 2908, 3010, 3062, 3612, 3635, 4362, 4515, 4593, 5089, 6020, 6124, 7270, 7655, 8724, 9030, 9186, 10178, 10717, 10905, 14540, 15267, 15310, 18060, 18372, 20356, 21434, 21810, 22965, 25445, 30534, 30620, 31261, 32151, 42868, 43620, 45930, 50890, 53585, 61068, 62522, 64302, 65833, 76335, 91860, 93783, 101780, 107170, 125044, 128604, 131666, 152670, 156305, 160755, 187566, 197499, 214340, 218827, 263332, 305340, 312610, 321510, 329165, 375132, 394998, 437654, 460831, 468915, 625220, 643020, 656481, 658330, 789996, 875308, 921662, 937830, 987495, 1094135, 1113037, 1312962, 1316660, 1382493, 1843324, 1875660, 1974990, 2188270, 2226074, 2304155, 2625924, 2764986, 3282405, 3339111, 3949980, 4376540, 4452148, 4608310, 5529972, 5565185, 6564810, 6678222, 6912465, 7791259, 9216620, 11130370, 13129620, 13356444, 13824930, 15582518, 16695555, 22260740, 23373777, 27649860, 31165036, 33391110, 38956295, 46747554, 47860591, 66782220, 77912590, 93495108, 95721182, 116868885, 143581773, 155825180, 191442364, 233737770, 239302955, 287163546, 335024137, 467475540, 478605910, 574327092, 670048274, 717908865, 957211820, 1005072411, 1340096548, 1435817730, 1675120685, 2010144822, 2871635460, 3350241370, 4020289644, 5025362055, 6700482740, 10050724110, 20101448220]

約数ペア:

[(1, 20101448220), (2, 10050724110), (3, 6700482740), (4, 5025362055), (5, 4020289644), (6, 3350241370), (7, 2871635460), (10, 2010144822), (12, 1675120685), (14, 1435817730), (15, 1340096548), (20, 1005072411), (21, 957211820), (28, 717908865), (30, 670048274), (35, 574327092), (42, 478605910), (43, 467475540), (60, 335024137), (70, 287163546), (84, 239302955), (86, 233737770), (105, 191442364), (129, 155825180), (140, 143581773), (172, 116868885), (210, 95721182), (215, 93495108), (258, 77912590), (301, 66782220), (420, 47860591), (430, 46747554), (516, 38956295), (602, 33391110), (645, 31165036), (727, 27649860), (860, 23373777), (903, 22260740), (1204, 16695555), (1290, 15582518), (1454, 13824930), (1505, 13356444), (1531, 13129620), (1806, 11130370), (2181, 9216620), (2580, 7791259), (2908, 6912465), (3010, 6678222), (3062, 6564810), (3612, 5565185), (3635, 5529972), (4362, 4608310), (4515, 4452148), (4593, 4376540), (5089, 3949980), (6020, 3339111), (6124, 3282405), (7270, 2764986), (7655, 2625924), (8724, 2304155), (9030, 2226074), (9186, 2188270), (10178, 1974990), (10717, 1875660), (10905, 1843324), (14540, 1382493), (15267, 1316660), (15310, 1312962), (18060, 1113037), (18372, 1094135), (20356, 987495), (21434, 937830), (21810, 921662), (22965, 875308), (25445, 789996), (30534, 658330), (30620, 656481), (31261, 643020), (32151, 625220), (42868, 468915), (43620, 460831), (45930, 437654), (50890, 394998), (53585, 375132), (61068, 329165), (62522, 321510), (64302, 312610), (65833, 305340), (76335, 263332), (91860, 218827), (93783, 214340), (101780, 197499), (107170, 187566), (125044, 160755), (128604, 156305), (131666, 152670)]