20649817440

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{2048593}}^1$

素因数の和:2048621

約数の個数: 144

約数和(自身を含む): 80534327328

約数和(自身を除く): 59884509888

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 2048593, 4097186, 6145779, 8194372, 10242965, 12291558, 14340151, 16388744, 18437337, 20485930, 24583116, 28680302, 30728895, 32777488, 36874674, 40971860, 43020453, 49166232, 57360604, 61457790, 65554976, 71700755, 73749348, 81943720, 86040906, 92186685, 98332464, 114721208, 122915580, 129061359, 143401510, 147498696, 163887440, 172081812, 184373370, 196664928, 215102265, 229442416, 245831160, 258122718, 286803020, 294997392, 327774880, 344163624, 368746740, 430204530, 458884832, 491662320, 516245436, 573606040, 589994784, 645306795, 688327248, 737493480, 860409060, 983324640, 1032490872, 1147212080, 1290613590, 1376654496, 1474986960, 1720818120, 2064981744, 2294424160, 2581227180, 2949973920, 3441636240, 4129963488, 5162454360, 6883272480, 10324908720, 20649817440]

約数ペア:

[(1, 20649817440), (2, 10324908720), (3, 6883272480), (4, 5162454360), (5, 4129963488), (6, 3441636240), (7, 2949973920), (8, 2581227180), (9, 2294424160), (10, 2064981744), (12, 1720818120), (14, 1474986960), (15, 1376654496), (16, 1290613590), (18, 1147212080), (20, 1032490872), (21, 983324640), (24, 860409060), (28, 737493480), (30, 688327248), (32, 645306795), (35, 589994784), (36, 573606040), (40, 516245436), (42, 491662320), (45, 458884832), (48, 430204530), (56, 368746740), (60, 344163624), (63, 327774880), (70, 294997392), (72, 286803020), (80, 258122718), (84, 245831160), (90, 229442416), (96, 215102265), (105, 196664928), (112, 184373370), (120, 172081812), (126, 163887440), (140, 147498696), (144, 143401510), (160, 129061359), (168, 122915580), (180, 114721208), (210, 98332464), (224, 92186685), (240, 86040906), (252, 81943720), (280, 73749348), (288, 71700755), (315, 65554976), (336, 61457790), (360, 57360604), (420, 49166232), (480, 43020453), (504, 40971860), (560, 36874674), (630, 32777488), (672, 30728895), (720, 28680302), (840, 24583116), (1008, 20485930), (1120, 18437337), (1260, 16388744), (1440, 14340151), (1680, 12291558), (2016, 10242965), (2520, 8194372), (3360, 6145779), (5040, 4097186), (10080, 2048593)]