20986994880

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{87797}}^1$

素因数の和:87903

約数の個数: 168

約数和(自身を含む): 73057066992

約数和(自身を除く): 52070072112

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 83, 90, 96, 120, 144, 160, 166, 180, 192, 240, 249, 288, 320, 332, 360, 415, 480, 498, 576, 664, 720, 747, 830, 960, 996, 1245, 1328, 1440, 1494, 1660, 1992, 2490, 2656, 2880, 2988, 3320, 3735, 3984, 4980, 5312, 5976, 6640, 7470, 7968, 9960, 11952, 13280, 14940, 15936, 19920, 23904, 26560, 29880, 39840, 47808, 59760, 79680, 87797, 119520, 175594, 239040, 263391, 351188, 438985, 526782, 702376, 790173, 877970, 1053564, 1316955, 1404752, 1580346, 1755940, 2107128, 2633910, 2809504, 3160692, 3511880, 3950865, 4214256, 5267820, 5619008, 6321384, 7023760, 7287151, 7901730, 8428512, 10535640, 12642768, 14047520, 14574302, 15803460, 16857024, 21071280, 21861453, 25285536, 28095040, 29148604, 31606920, 36435755, 42142560, 43722906, 50571072, 58297208, 63213840, 65584359, 72871510, 84285120, 87445812, 109307265, 116594416, 126427680, 131168718, 145743020, 174891624, 218614530, 233188832, 252855360, 262337436, 291486040, 327921795, 349783248, 437229060, 466377664, 524674872, 582972080, 655843590, 699566496, 874458120, 1049349744, 1165944160, 1311687180, 1399132992, 1748916240, 2098699488, 2331888320, 2623374360, 3497832480, 4197398976, 5246748720, 6995664960, 10493497440, 20986994880]

約数ペア:

[(1, 20986994880), (2, 10493497440), (3, 6995664960), (4, 5246748720), (5, 4197398976), (6, 3497832480), (8, 2623374360), (9, 2331888320), (10, 2098699488), (12, 1748916240), (15, 1399132992), (16, 1311687180), (18, 1165944160), (20, 1049349744), (24, 874458120), (30, 699566496), (32, 655843590), (36, 582972080), (40, 524674872), (45, 466377664), (48, 437229060), (60, 349783248), (64, 327921795), (72, 291486040), (80, 262337436), (83, 252855360), (90, 233188832), (96, 218614530), (120, 174891624), (144, 145743020), (160, 131168718), (166, 126427680), (180, 116594416), (192, 109307265), (240, 87445812), (249, 84285120), (288, 72871510), (320, 65584359), (332, 63213840), (360, 58297208), (415, 50571072), (480, 43722906), (498, 42142560), (576, 36435755), (664, 31606920), (720, 29148604), (747, 28095040), (830, 25285536), (960, 21861453), (996, 21071280), (1245, 16857024), (1328, 15803460), (1440, 14574302), (1494, 14047520), (1660, 12642768), (1992, 10535640), (2490, 8428512), (2656, 7901730), (2880, 7287151), (2988, 7023760), (3320, 6321384), (3735, 5619008), (3984, 5267820), (4980, 4214256), (5312, 3950865), (5976, 3511880), (6640, 3160692), (7470, 2809504), (7968, 2633910), (9960, 2107128), (11952, 1755940), (13280, 1580346), (14940, 1404752), (15936, 1316955), (19920, 1053564), (23904, 877970), (26560, 790173), (29880, 702376), (39840, 526782), (47808, 438985), (59760, 351188), (79680, 263391), (87797, 239040), (119520, 175594)]