20997992400

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{227251}}^1$

素因数の和:227290

約数の個数: 240

約数和(自身を含む): 83861442048

約数和(自身を除く): 62863449648

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 25, 28, 30, 33, 35, 40, 42, 44, 48, 50, 55, 56, 60, 66, 70, 75, 77, 80, 84, 88, 100, 105, 110, 112, 120, 132, 140, 150, 154, 165, 168, 175, 176, 200, 210, 220, 231, 240, 264, 275, 280, 300, 308, 330, 336, 350, 385, 400, 420, 440, 462, 525, 528, 550, 560, 600, 616, 660, 700, 770, 825, 840, 880, 924, 1050, 1100, 1155, 1200, 1232, 1320, 1400, 1540, 1650, 1680, 1848, 1925, 2100, 2200, 2310, 2640, 2800, 3080, 3300, 3696, 3850, 4200, 4400, 4620, 5775, 6160, 6600, 7700, 8400, 9240, 11550, 13200, 15400, 18480, 23100, 30800, 46200, 92400, 227251, 454502, 681753, 909004, 1136255, 1363506, 1590757, 1818008, 2272510, 2499761, 2727012, 3181514, 3408765, 3636016, 4545020, 4772271, 4999522, 5454024, 5681275, 6363028, 6817530, 7499283, 7953785, 9090040, 9544542, 9999044, 10908048, 11362550, 12498805, 12726056, 13635060, 14998566, 15907570, 17043825, 17498327, 18180080, 19089084, 19998088, 22725100, 23861355, 24997610, 25452112, 27270120, 29997132, 31815140, 34087650, 34996654, 37496415, 38178168, 39768925, 39996176, 45450200, 47722710, 49995220, 52494981, 54540240, 59994264, 62494025, 63630280, 68175300, 69993308, 74992830, 76356336, 79537850, 87491635, 90900400, 95445420, 99990440, 104989962, 119306775, 119988528, 124988050, 127260560, 136350600, 139986616, 149985660, 159075700, 174983270, 187482075, 190890840, 199980880, 209979924, 238613550, 249976100, 262474905, 272701200, 279973232, 299971320, 318151400, 349966540, 374964150, 381781680, 419959848, 437458175, 477227100, 499952200, 524949810, 599942640, 636302800, 699933080, 749928300, 839919696, 874916350, 954454200, 999904400, 1049899620, 1312374525, 1399866160, 1499856600, 1749832700, 1908908400, 2099799240, 2624749050, 2999713200, 3499665400, 4199598480, 5249498100, 6999330800, 10498996200, 20997992400]

約数ペア:

[(1, 20997992400), (2, 10498996200), (3, 6999330800), (4, 5249498100), (5, 4199598480), (6, 3499665400), (7, 2999713200), (8, 2624749050), (10, 2099799240), (11, 1908908400), (12, 1749832700), (14, 1499856600), (15, 1399866160), (16, 1312374525), (20, 1049899620), (21, 999904400), (22, 954454200), (24, 874916350), (25, 839919696), (28, 749928300), (30, 699933080), (33, 636302800), (35, 599942640), (40, 524949810), (42, 499952200), (44, 477227100), (48, 437458175), (50, 419959848), (55, 381781680), (56, 374964150), (60, 349966540), (66, 318151400), (70, 299971320), (75, 279973232), (77, 272701200), (80, 262474905), (84, 249976100), (88, 238613550), (100, 209979924), (105, 199980880), (110, 190890840), (112, 187482075), (120, 174983270), (132, 159075700), (140, 149985660), (150, 139986616), (154, 136350600), (165, 127260560), (168, 124988050), (175, 119988528), (176, 119306775), (200, 104989962), (210, 99990440), (220, 95445420), (231, 90900400), (240, 87491635), (264, 79537850), (275, 76356336), (280, 74992830), (300, 69993308), (308, 68175300), (330, 63630280), (336, 62494025), (350, 59994264), (385, 54540240), (400, 52494981), (420, 49995220), (440, 47722710), (462, 45450200), (525, 39996176), (528, 39768925), (550, 38178168), (560, 37496415), (600, 34996654), (616, 34087650), (660, 31815140), (700, 29997132), (770, 27270120), (825, 25452112), (840, 24997610), (880, 23861355), (924, 22725100), (1050, 19998088), (1100, 19089084), (1155, 18180080), (1200, 17498327), (1232, 17043825), (1320, 15907570), (1400, 14998566), (1540, 13635060), (1650, 12726056), (1680, 12498805), (1848, 11362550), (1925, 10908048), (2100, 9999044), (2200, 9544542), (2310, 9090040), (2640, 7953785), (2800, 7499283), (3080, 6817530), (3300, 6363028), (3696, 5681275), (3850, 5454024), (4200, 4999522), (4400, 4772271), (4620, 4545020), (5775, 3636016), (6160, 3408765), (6600, 3181514), (7700, 2727012), (8400, 2499761), (9240, 2272510), (11550, 1818008), (13200, 1590757), (15400, 1363506), (18480, 1136255), (23100, 909004), (30800, 681753), (46200, 454502), (92400, 227251)]