20403940830

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{17341}}^1$

素因数の和:17802

約数の個数: 128

約数和(自身を含む): 60413423616

約数和(自身を除く): 40009482786

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 431, 455, 546, 862, 910, 1293, 1365, 2155, 2586, 2730, 3017, 4310, 5603, 6034, 6465, 9051, 11206, 12930, 15085, 16809, 17341, 18102, 28015, 30170, 33618, 34682, 39221, 45255, 52023, 56030, 78442, 84045, 86705, 90510, 104046, 117663, 121387, 168090, 173410, 196105, 225433, 235326, 242774, 260115, 364161, 392210, 450866, 520230, 588315, 606935, 676299, 728322, 1127165, 1176630, 1213870, 1352598, 1578031, 1820805, 2254330, 3156062, 3381495, 3641610, 4734093, 6762990, 7473971, 7890155, 9468186, 14947942, 15780310, 22421913, 23670465, 37369855, 44843826, 47340930, 52317797, 74739710, 97161623, 104635594, 112109565, 156953391, 194323246, 224219130, 261588985, 291484869, 313906782, 485808115, 523177970, 582969738, 680131361, 784766955, 971616230, 1360262722, 1457424345, 1569533910, 2040394083, 2914848690, 3400656805, 4080788166, 6801313610, 10201970415, 20403940830]

約数ペア:

[(1, 20403940830), (2, 10201970415), (3, 6801313610), (5, 4080788166), (6, 3400656805), (7, 2914848690), (10, 2040394083), (13, 1569533910), (14, 1457424345), (15, 1360262722), (21, 971616230), (26, 784766955), (30, 680131361), (35, 582969738), (39, 523177970), (42, 485808115), (65, 313906782), (70, 291484869), (78, 261588985), (91, 224219130), (105, 194323246), (130, 156953391), (182, 112109565), (195, 104635594), (210, 97161623), (273, 74739710), (390, 52317797), (431, 47340930), (455, 44843826), (546, 37369855), (862, 23670465), (910, 22421913), (1293, 15780310), (1365, 14947942), (2155, 9468186), (2586, 7890155), (2730, 7473971), (3017, 6762990), (4310, 4734093), (5603, 3641610), (6034, 3381495), (6465, 3156062), (9051, 2254330), (11206, 1820805), (12930, 1578031), (15085, 1352598), (16809, 1213870), (17341, 1176630), (18102, 1127165), (28015, 728322), (30170, 676299), (33618, 606935), (34682, 588315), (39221, 520230), (45255, 450866), (52023, 392210), (56030, 364161), (78442, 260115), (84045, 242774), (86705, 235326), (90510, 225433), (104046, 196105), (117663, 173410), (121387, 168090)]