20149109420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{433}}^1\times {\mathrm{4919}}^1$

素因数の和:5415

約数の個数: 96

約数和(自身を含む): 47351969280

約数和(自身を除く): 27202859860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 433, 473, 860, 866, 946, 1732, 1892, 2165, 2365, 4330, 4730, 4763, 4919, 8660, 9460, 9526, 9838, 18619, 19052, 19676, 23815, 24595, 37238, 47630, 49190, 54109, 74476, 93095, 95260, 98380, 108218, 186190, 204809, 211517, 216436, 270545, 372380, 409618, 423034, 541090, 819236, 846068, 1024045, 1057585, 1082180, 2048090, 2115170, 2129927, 2326687, 4096180, 4230340, 4259854, 4653374, 8519708, 9306748, 10649635, 11633435, 21299270, 23266870, 23429197, 42598540, 46533740, 46858394, 91586861, 93716788, 117145985, 183173722, 234291970, 366347444, 457934305, 468583940, 915868610, 1007455471, 1831737220, 2014910942, 4029821884, 5037277355, 10074554710, 20149109420]

約数ペア:

[(1, 20149109420), (2, 10074554710), (4, 5037277355), (5, 4029821884), (10, 2014910942), (11, 1831737220), (20, 1007455471), (22, 915868610), (43, 468583940), (44, 457934305), (55, 366347444), (86, 234291970), (110, 183173722), (172, 117145985), (215, 93716788), (220, 91586861), (430, 46858394), (433, 46533740), (473, 42598540), (860, 23429197), (866, 23266870), (946, 21299270), (1732, 11633435), (1892, 10649635), (2165, 9306748), (2365, 8519708), (4330, 4653374), (4730, 4259854), (4763, 4230340), (4919, 4096180), (8660, 2326687), (9460, 2129927), (9526, 2115170), (9838, 2048090), (18619, 1082180), (19052, 1057585), (19676, 1024045), (23815, 846068), (24595, 819236), (37238, 541090), (47630, 423034), (49190, 409618), (54109, 372380), (74476, 270545), (93095, 216436), (95260, 211517), (98380, 204809), (108218, 186190)]