20736691920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{37747}}^1$

素因数の和:37882

約数の個数: 240

約数和(自身を含む): 80321704320

約数和(自身を除く): 59585012400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 109, 112, 120, 126, 140, 144, 168, 180, 210, 218, 240, 252, 280, 315, 327, 336, 360, 420, 436, 504, 545, 560, 630, 654, 720, 763, 840, 872, 981, 1008, 1090, 1260, 1308, 1526, 1635, 1680, 1744, 1962, 2180, 2289, 2520, 2616, 3052, 3270, 3815, 3924, 4360, 4578, 4905, 5040, 5232, 6104, 6540, 6867, 7630, 7848, 8720, 9156, 9810, 11445, 12208, 13080, 13734, 15260, 15696, 18312, 19620, 22890, 26160, 27468, 30520, 34335, 36624, 37747, 39240, 45780, 54936, 61040, 68670, 75494, 78480, 91560, 109872, 113241, 137340, 150988, 183120, 188735, 226482, 264229, 274680, 301976, 339723, 377470, 452964, 528458, 549360, 566205, 603952, 679446, 754940, 792687, 905928, 1056916, 1132410, 1321145, 1358892, 1509880, 1585374, 1698615, 1811856, 2113832, 2264820, 2378061, 2642290, 2717784, 3019760, 3170748, 3397230, 3963435, 4114423, 4227664, 4529640, 4756122, 5284580, 5435568, 6341496, 6794460, 7926870, 8228846, 9059280, 9512244, 10569160, 11890305, 12343269, 12682992, 13588920, 15853740, 16457692, 19024488, 20572115, 21138320, 23780610, 24686538, 27177840, 28800961, 31707480, 32915384, 37029807, 38048976, 41144230, 47561220, 49373076, 57601922, 61716345, 63414960, 65830768, 74059614, 82288460, 86402883, 95122440, 98746152, 115203844, 123432690, 144004805, 148119228, 164576920, 172805766, 185149035, 190244880, 197492304, 230407688, 246865380, 259208649, 288009610, 296238456, 329153840, 345611532, 370298070, 432014415, 460815376, 493730760, 518417298, 576019220, 592476912, 691223064, 740596140, 864028830, 987461520, 1036834596, 1152038440, 1296043245, 1382446128, 1481192280, 1728057660, 2073669192, 2304076880, 2592086490, 2962384560, 3456115320, 4147338384, 5184172980, 6912230640, 10368345960, 20736691920]

約数ペア:

[(1, 20736691920), (2, 10368345960), (3, 6912230640), (4, 5184172980), (5, 4147338384), (6, 3456115320), (7, 2962384560), (8, 2592086490), (9, 2304076880), (10, 2073669192), (12, 1728057660), (14, 1481192280), (15, 1382446128), (16, 1296043245), (18, 1152038440), (20, 1036834596), (21, 987461520), (24, 864028830), (28, 740596140), (30, 691223064), (35, 592476912), (36, 576019220), (40, 518417298), (42, 493730760), (45, 460815376), (48, 432014415), (56, 370298070), (60, 345611532), (63, 329153840), (70, 296238456), (72, 288009610), (80, 259208649), (84, 246865380), (90, 230407688), (105, 197492304), (109, 190244880), (112, 185149035), (120, 172805766), (126, 164576920), (140, 148119228), (144, 144004805), (168, 123432690), (180, 115203844), (210, 98746152), (218, 95122440), (240, 86402883), (252, 82288460), (280, 74059614), (315, 65830768), (327, 63414960), (336, 61716345), (360, 57601922), (420, 49373076), (436, 47561220), (504, 41144230), (545, 38048976), (560, 37029807), (630, 32915384), (654, 31707480), (720, 28800961), (763, 27177840), (840, 24686538), (872, 23780610), (981, 21138320), (1008, 20572115), (1090, 19024488), (1260, 16457692), (1308, 15853740), (1526, 13588920), (1635, 12682992), (1680, 12343269), (1744, 11890305), (1962, 10569160), (2180, 9512244), (2289, 9059280), (2520, 8228846), (2616, 7926870), (3052, 6794460), (3270, 6341496), (3815, 5435568), (3924, 5284580), (4360, 4756122), (4578, 4529640), (4905, 4227664), (5040, 4114423), (5232, 3963435), (6104, 3397230), (6540, 3170748), (6867, 3019760), (7630, 2717784), (7848, 2642290), (8720, 2378061), (9156, 2264820), (9810, 2113832), (11445, 1811856), (12208, 1698615), (13080, 1585374), (13734, 1509880), (15260, 1358892), (15696, 1321145), (18312, 1132410), (19620, 1056916), (22890, 905928), (26160, 792687), (27468, 754940), (30520, 679446), (34335, 603952), (36624, 566205), (37747, 549360), (39240, 528458), (45780, 452964), (54936, 377470), (61040, 339723), (68670, 301976), (75494, 274680), (78480, 264229), (91560, 226482), (109872, 188735), (113241, 183120), (137340, 150988)]