20781732510

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{428401}}^1$

素因数の和:428439

約数の個数: 144

約数和(自身を含む): 68568310512

約数和(自身を除く): 47786578002

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 30, 33, 35, 42, 45, 49, 55, 63, 66, 70, 77, 90, 98, 99, 105, 110, 126, 147, 154, 165, 198, 210, 231, 245, 294, 315, 330, 385, 441, 462, 490, 495, 539, 630, 693, 735, 770, 882, 990, 1078, 1155, 1386, 1470, 1617, 2205, 2310, 2695, 3234, 3465, 4410, 4851, 5390, 6930, 8085, 9702, 16170, 24255, 48510, 428401, 856802, 1285203, 2142005, 2570406, 2998807, 3855609, 4284010, 4712411, 5997614, 6426015, 7711218, 8996421, 9424822, 12852030, 14137233, 14994035, 17992842, 19278045, 20991649, 23562055, 26989263, 28274466, 29988070, 32986877, 38556090, 41983298, 42411699, 44982105, 47124110, 53978526, 62974947, 65973754, 70686165, 84823398, 89964210, 98960631, 104958245, 125949894, 134946315, 141372330, 164934385, 188924841, 197921262, 209916490, 212058495, 230908139, 269892630, 296881893, 314874735, 329868770, 377849682, 424116990, 461816278, 494803155, 593763786, 629749470, 692724417, 944624205, 989606310, 1154540695, 1385448834, 1484409465, 1889248410, 2078173251, 2309081390, 2968818930, 3463622085, 4156346502, 6927244170, 10390866255, 20781732510]

約数ペア:

[(1, 20781732510), (2, 10390866255), (3, 6927244170), (5, 4156346502), (6, 3463622085), (7, 2968818930), (9, 2309081390), (10, 2078173251), (11, 1889248410), (14, 1484409465), (15, 1385448834), (18, 1154540695), (21, 989606310), (22, 944624205), (30, 692724417), (33, 629749470), (35, 593763786), (42, 494803155), (45, 461816278), (49, 424116990), (55, 377849682), (63, 329868770), (66, 314874735), (70, 296881893), (77, 269892630), (90, 230908139), (98, 212058495), (99, 209916490), (105, 197921262), (110, 188924841), (126, 164934385), (147, 141372330), (154, 134946315), (165, 125949894), (198, 104958245), (210, 98960631), (231, 89964210), (245, 84823398), (294, 70686165), (315, 65973754), (330, 62974947), (385, 53978526), (441, 47124110), (462, 44982105), (490, 42411699), (495, 41983298), (539, 38556090), (630, 32986877), (693, 29988070), (735, 28274466), (770, 26989263), (882, 23562055), (990, 20991649), (1078, 19278045), (1155, 17992842), (1386, 14994035), (1470, 14137233), (1617, 12852030), (2205, 9424822), (2310, 8996421), (2695, 7711218), (3234, 6426015), (3465, 5997614), (4410, 4712411), (4851, 4284010), (5390, 3855609), (6930, 2998807), (8085, 2570406), (9702, 2142005), (16170, 1285203), (24255, 856802), (48510, 428401)]