20795481280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{2417}}^1$

素因数の和:2631

約数の個数: 224

約数和(自身を含む): 59432196096

約数和(自身を除く): 38636714816

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 140, 160, 161, 167, 184, 224, 230, 280, 320, 322, 334, 368, 448, 460, 560, 644, 668, 736, 805, 835, 920, 1120, 1169, 1288, 1336, 1472, 1610, 1670, 1840, 2240, 2338, 2417, 2576, 2672, 3220, 3340, 3680, 3841, 4676, 4834, 5152, 5344, 5845, 6440, 6680, 7360, 7682, 9352, 9668, 10304, 10688, 11690, 12085, 12880, 13360, 15364, 16919, 18704, 19205, 19336, 23380, 24170, 25760, 26720, 26887, 30728, 33838, 37408, 38410, 38672, 46760, 48340, 51520, 53440, 53774, 55591, 61456, 67676, 74816, 76820, 77344, 84595, 93520, 96680, 107548, 111182, 122912, 134435, 135352, 153640, 154688, 169190, 187040, 193360, 215096, 222364, 245824, 268870, 270704, 277955, 307280, 338380, 374080, 386720, 389137, 403639, 430192, 444728, 537740, 541408, 555910, 614560, 676760, 773440, 778274, 807278, 860384, 889456, 1075480, 1082816, 1111820, 1229120, 1353520, 1556548, 1614556, 1720768, 1778912, 1945685, 2018195, 2150960, 2223640, 2707040, 2825473, 3113096, 3229112, 3557824, 3891370, 4036390, 4301920, 4447280, 5414080, 5650946, 6226192, 6458224, 7782740, 8072780, 8603840, 8894560, 9283697, 11301892, 12452384, 12916448, 14127365, 15565480, 16145560, 17789120, 18567394, 22603784, 24904768, 25832896, 28254730, 31130960, 32291120, 37134788, 45207568, 46418485, 56509460, 62261920, 64582240, 64985879, 74269576, 90415136, 92836970, 113018920, 124523840, 129164480, 129971758, 148539152, 180830272, 185673940, 226037840, 259943516, 297078304, 324929395, 371347880, 452075680, 519887032, 594156608, 649858790, 742695760, 904151360, 1039774064, 1299717580, 1485391520, 2079548128, 2599435160, 2970783040, 4159096256, 5198870320, 10397740640, 20795481280]

約数ペア:

[(1, 20795481280), (2, 10397740640), (4, 5198870320), (5, 4159096256), (7, 2970783040), (8, 2599435160), (10, 2079548128), (14, 1485391520), (16, 1299717580), (20, 1039774064), (23, 904151360), (28, 742695760), (32, 649858790), (35, 594156608), (40, 519887032), (46, 452075680), (56, 371347880), (64, 324929395), (70, 297078304), (80, 259943516), (92, 226037840), (112, 185673940), (115, 180830272), (140, 148539152), (160, 129971758), (161, 129164480), (167, 124523840), (184, 113018920), (224, 92836970), (230, 90415136), (280, 74269576), (320, 64985879), (322, 64582240), (334, 62261920), (368, 56509460), (448, 46418485), (460, 45207568), (560, 37134788), (644, 32291120), (668, 31130960), (736, 28254730), (805, 25832896), (835, 24904768), (920, 22603784), (1120, 18567394), (1169, 17789120), (1288, 16145560), (1336, 15565480), (1472, 14127365), (1610, 12916448), (1670, 12452384), (1840, 11301892), (2240, 9283697), (2338, 8894560), (2417, 8603840), (2576, 8072780), (2672, 7782740), (3220, 6458224), (3340, 6226192), (3680, 5650946), (3841, 5414080), (4676, 4447280), (4834, 4301920), (5152, 4036390), (5344, 3891370), (5845, 3557824), (6440, 3229112), (6680, 3113096), (7360, 2825473), (7682, 2707040), (9352, 2223640), (9668, 2150960), (10304, 2018195), (10688, 1945685), (11690, 1778912), (12085, 1720768), (12880, 1614556), (13360, 1556548), (15364, 1353520), (16919, 1229120), (18704, 1111820), (19205, 1082816), (19336, 1075480), (23380, 889456), (24170, 860384), (25760, 807278), (26720, 778274), (26887, 773440), (30728, 676760), (33838, 614560), (37408, 555910), (38410, 541408), (38672, 537740), (46760, 444728), (48340, 430192), (51520, 403639), (53440, 389137), (53774, 386720), (55591, 374080), (61456, 338380), (67676, 307280), (74816, 277955), (76820, 270704), (77344, 268870), (84595, 245824), (93520, 222364), (96680, 215096), (107548, 193360), (111182, 187040), (122912, 169190), (134435, 154688), (135352, 153640)]