20170239645

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{443}}^1$

素因数の和:675

約数の個数: 128

約数和(自身を含む): 36458864640

約数和(自身を除く): 16288624995

約数列:

[1, 3, 5, 15, 17, 29, 47, 51, 85, 87, 131, 141, 145, 235, 255, 393, 435, 443, 493, 655, 705, 799, 1329, 1363, 1479, 1965, 2215, 2227, 2397, 2465, 3799, 3995, 4089, 6157, 6645, 6681, 6815, 7395, 7531, 11135, 11397, 11985, 12847, 18471, 18995, 20445, 20821, 22593, 23171, 30785, 33405, 37655, 38541, 56985, 58033, 62463, 64235, 64583, 69513, 92355, 104105, 104669, 112965, 115855, 174099, 178553, 192705, 193749, 218399, 290165, 312315, 314007, 322915, 347565, 353957, 523345, 535659, 603809, 655197, 870495, 892765, 968745, 986561, 1061871, 1091995, 1570035, 1682957, 1769785, 1811427, 2678295, 2727551, 2959683, 3019045, 3035401, 3275985, 4932805, 5048871, 5309355, 8182653, 8414785, 9057135, 9106203, 10264753, 13637755, 14798415, 15177005, 25244355, 28610269, 30794259, 40913265, 45531015, 46368367, 51323765, 79098979, 85830807, 139105101, 143051345, 153971295, 231841835, 237296937, 395494895, 429154035, 695525505, 1186484685, 1344682643, 4034047929, 6723413215, 20170239645]

約数ペア:

[(1, 20170239645), (3, 6723413215), (5, 4034047929), (15, 1344682643), (17, 1186484685), (29, 695525505), (47, 429154035), (51, 395494895), (85, 237296937), (87, 231841835), (131, 153971295), (141, 143051345), (145, 139105101), (235, 85830807), (255, 79098979), (393, 51323765), (435, 46368367), (443, 45531015), (493, 40913265), (655, 30794259), (705, 28610269), (799, 25244355), (1329, 15177005), (1363, 14798415), (1479, 13637755), (1965, 10264753), (2215, 9106203), (2227, 9057135), (2397, 8414785), (2465, 8182653), (3799, 5309355), (3995, 5048871), (4089, 4932805), (6157, 3275985), (6645, 3035401), (6681, 3019045), (6815, 2959683), (7395, 2727551), (7531, 2678295), (11135, 1811427), (11397, 1769785), (11985, 1682957), (12847, 1570035), (18471, 1091995), (18995, 1061871), (20445, 986561), (20821, 968745), (22593, 892765), (23171, 870495), (30785, 655197), (33405, 603809), (37655, 535659), (38541, 523345), (56985, 353957), (58033, 347565), (62463, 322915), (64235, 314007), (64583, 312315), (69513, 290165), (92355, 218399), (104105, 193749), (104669, 192705), (112965, 178553), (115855, 174099)]