20807841670

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{331}}^1$

素因数の和:579

約数の個数: 192

約数和(自身を含む): 48560497920

約数和(自身を除く): 27752656250

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 107, 109, 110, 154, 214, 218, 245, 331, 385, 490, 535, 539, 545, 662, 749, 763, 770, 1070, 1078, 1090, 1177, 1199, 1498, 1526, 1655, 2317, 2354, 2398, 2695, 3310, 3641, 3745, 3815, 4634, 5243, 5341, 5390, 5885, 5995, 7282, 7490, 7630, 8239, 8393, 10486, 10682, 11585, 11663, 11770, 11990, 16219, 16478, 16786, 18205, 23170, 23326, 25487, 26215, 26705, 32438, 35417, 36079, 36410, 41195, 41965, 50974, 52430, 53410, 57673, 58315, 58751, 70834, 72158, 81095, 81641, 82390, 83930, 115346, 116630, 117502, 127435, 128293, 162190, 163282, 177085, 178409, 180395, 247919, 252553, 254870, 256586, 288365, 293755, 354170, 356818, 360790, 389587, 396869, 408205, 495838, 505106, 571487, 576730, 587510, 641465, 779174, 793738, 816410, 892045, 898051, 1142974, 1239595, 1262765, 1282930, 1735433, 1767871, 1784090, 1796102, 1947935, 1984345, 2479190, 2525530, 2727109, 2778083, 2857435, 3470866, 3535742, 3860453, 3895870, 3968690, 4490255, 5454218, 5556166, 5714870, 6286357, 7720906, 8677165, 8839355, 8980510, 12572714, 13635545, 13890415, 17354330, 17678710, 19089763, 19302265, 19446581, 27023171, 27271090, 27780830, 31431785, 38179526, 38604530, 38893162, 42464983, 54046342, 62863570, 84929966, 95448815, 97232905, 135115855, 189162197, 190897630, 194465810, 212324915, 270231710, 297254881, 378324394, 424649830, 594509762, 945810985, 1486274405, 1891621970, 2080784167, 2972548810, 4161568334, 10403920835, 20807841670]

約数ペア:

[(1, 20807841670), (2, 10403920835), (5, 4161568334), (7, 2972548810), (10, 2080784167), (11, 1891621970), (14, 1486274405), (22, 945810985), (35, 594509762), (49, 424649830), (55, 378324394), (70, 297254881), (77, 270231710), (98, 212324915), (107, 194465810), (109, 190897630), (110, 189162197), (154, 135115855), (214, 97232905), (218, 95448815), (245, 84929966), (331, 62863570), (385, 54046342), (490, 42464983), (535, 38893162), (539, 38604530), (545, 38179526), (662, 31431785), (749, 27780830), (763, 27271090), (770, 27023171), (1070, 19446581), (1078, 19302265), (1090, 19089763), (1177, 17678710), (1199, 17354330), (1498, 13890415), (1526, 13635545), (1655, 12572714), (2317, 8980510), (2354, 8839355), (2398, 8677165), (2695, 7720906), (3310, 6286357), (3641, 5714870), (3745, 5556166), (3815, 5454218), (4634, 4490255), (5243, 3968690), (5341, 3895870), (5390, 3860453), (5885, 3535742), (5995, 3470866), (7282, 2857435), (7490, 2778083), (7630, 2727109), (8239, 2525530), (8393, 2479190), (10486, 1984345), (10682, 1947935), (11585, 1796102), (11663, 1784090), (11770, 1767871), (11990, 1735433), (16219, 1282930), (16478, 1262765), (16786, 1239595), (18205, 1142974), (23170, 898051), (23326, 892045), (25487, 816410), (26215, 793738), (26705, 779174), (32438, 641465), (35417, 587510), (36079, 576730), (36410, 571487), (41195, 505106), (41965, 495838), (50974, 408205), (52430, 396869), (53410, 389587), (57673, 360790), (58315, 356818), (58751, 354170), (70834, 293755), (72158, 288365), (81095, 256586), (81641, 254870), (82390, 252553), (83930, 247919), (115346, 180395), (116630, 178409), (117502, 177085), (127435, 163282), (128293, 162190)]