2020123770

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{571}}^1\times {\mathrm{991}}^1$

素因数の和:1596

約数の個数: 128

約数和(自身を含む): 5883052032

約数和(自身を除く): 3862928262

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 70, 85, 102, 105, 119, 170, 210, 238, 255, 357, 510, 571, 595, 714, 991, 1142, 1190, 1713, 1785, 1982, 2855, 2973, 3426, 3570, 3997, 4955, 5710, 5946, 6937, 7994, 8565, 9707, 9910, 11991, 13874, 14865, 16847, 17130, 19414, 19985, 20811, 23982, 29121, 29730, 33694, 34685, 39970, 41622, 48535, 50541, 58242, 59955, 67949, 69370, 84235, 97070, 101082, 104055, 117929, 119910, 135898, 145605, 168470, 203847, 208110, 235858, 252705, 291210, 339745, 353787, 407694, 505410, 565861, 589645, 679490, 707574, 1019235, 1131722, 1179290, 1697583, 1768935, 2038470, 2829305, 3395166, 3537870, 3961027, 5658610, 7922054, 8487915, 9619637, 11883081, 16975830, 19239274, 19805135, 23766162, 28858911, 39610270, 48098185, 57717822, 59415405, 67337459, 96196370, 118830810, 134674918, 144294555, 202012377, 288589110, 336687295, 404024754, 673374590, 1010061885, 2020123770]

約数ペア:

[(1, 2020123770), (2, 1010061885), (3, 673374590), (5, 404024754), (6, 336687295), (7, 288589110), (10, 202012377), (14, 144294555), (15, 134674918), (17, 118830810), (21, 96196370), (30, 67337459), (34, 59415405), (35, 57717822), (42, 48098185), (51, 39610270), (70, 28858911), (85, 23766162), (102, 19805135), (105, 19239274), (119, 16975830), (170, 11883081), (210, 9619637), (238, 8487915), (255, 7922054), (357, 5658610), (510, 3961027), (571, 3537870), (595, 3395166), (714, 2829305), (991, 2038470), (1142, 1768935), (1190, 1697583), (1713, 1179290), (1785, 1131722), (1982, 1019235), (2855, 707574), (2973, 679490), (3426, 589645), (3570, 565861), (3997, 505410), (4955, 407694), (5710, 353787), (5946, 339745), (6937, 291210), (7994, 252705), (8565, 235858), (9707, 208110), (9910, 203847), (11991, 168470), (13874, 145605), (14865, 135898), (16847, 119910), (17130, 117929), (19414, 104055), (19985, 101082), (20811, 97070), (23982, 84235), (29121, 69370), (29730, 67949), (33694, 59955), (34685, 58242), (39970, 50541), (41622, 48535)]