20199291035

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{41}}^2\times {\mathrm{59}}^1$

素因数の和:210

約数の個数: 144

約数和(自身を含む): 32929424640

約数和(自身を除く): 12730133605

約数列:

[1, 5, 7, 11, 23, 35, 41, 55, 59, 77, 115, 161, 205, 253, 287, 295, 385, 413, 451, 529, 649, 805, 943, 1265, 1357, 1435, 1681, 1771, 2065, 2255, 2419, 2645, 3157, 3245, 3703, 4543, 4715, 5819, 6601, 6785, 8405, 8855, 9499, 10373, 11767, 12095, 14927, 15785, 16933, 18491, 18515, 21689, 22715, 26609, 29095, 31211, 33005, 38663, 40733, 47495, 51865, 55637, 58835, 72611, 74635, 84665, 92455, 99179, 104489, 108445, 129437, 133045, 151823, 156055, 186263, 193315, 203665, 218477, 238579, 270641, 278185, 343321, 363055, 389459, 425293, 495895, 522445, 612007, 647185, 694253, 759115, 889249, 931315, 1090969, 1092385, 1192895, 1279651, 1353205, 1670053, 1716605, 1947295, 2126465, 2281117, 2403247, 2977051, 3060035, 3471265, 4284049, 4446245, 5454845, 6224743, 6398255, 7636783, 8350265, 8957557, 9781739, 11405585, 12016235, 14076161, 14885255, 15967819, 21420245, 25092287, 31123715, 38183915, 44787785, 48908695, 52465691, 68472173, 70380805, 79839095, 98533127, 125461435, 175646009, 262328455, 342360865, 367259837, 492665635, 577122601, 878230045, 1836299185, 2885613005, 4039858207, 20199291035]

約数ペア:

[(1, 20199291035), (5, 4039858207), (7, 2885613005), (11, 1836299185), (23, 878230045), (35, 577122601), (41, 492665635), (55, 367259837), (59, 342360865), (77, 262328455), (115, 175646009), (161, 125461435), (205, 98533127), (253, 79839095), (287, 70380805), (295, 68472173), (385, 52465691), (413, 48908695), (451, 44787785), (529, 38183915), (649, 31123715), (805, 25092287), (943, 21420245), (1265, 15967819), (1357, 14885255), (1435, 14076161), (1681, 12016235), (1771, 11405585), (2065, 9781739), (2255, 8957557), (2419, 8350265), (2645, 7636783), (3157, 6398255), (3245, 6224743), (3703, 5454845), (4543, 4446245), (4715, 4284049), (5819, 3471265), (6601, 3060035), (6785, 2977051), (8405, 2403247), (8855, 2281117), (9499, 2126465), (10373, 1947295), (11767, 1716605), (12095, 1670053), (14927, 1353205), (15785, 1279651), (16933, 1192895), (18491, 1092385), (18515, 1090969), (21689, 931315), (22715, 889249), (26609, 759115), (29095, 694253), (31211, 647185), (33005, 612007), (38663, 522445), (40733, 495895), (47495, 425293), (51865, 389459), (55637, 363055), (58835, 343321), (72611, 278185), (74635, 270641), (84665, 238579), (92455, 218477), (99179, 203665), (104489, 193315), (108445, 186263), (129437, 156055), (133045, 151823)]