20761920

素因数分解:

$2^6\times 3^6\times 5^1\times {\mathrm{89}}^1$

素因数の和:124

約数の個数: 196

約数和(自身を含む): 74957940

約数和(自身を除く): 54196020

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 89, 90, 96, 108, 120, 135, 144, 160, 162, 178, 180, 192, 216, 240, 243, 267, 270, 288, 320, 324, 356, 360, 405, 432, 445, 480, 486, 534, 540, 576, 648, 712, 720, 729, 801, 810, 864, 890, 960, 972, 1068, 1080, 1215, 1296, 1335, 1424, 1440, 1458, 1602, 1620, 1728, 1780, 1944, 2136, 2160, 2403, 2430, 2592, 2670, 2848, 2880, 2916, 3204, 3240, 3560, 3645, 3888, 4005, 4272, 4320, 4806, 4860, 5184, 5340, 5696, 5832, 6408, 6480, 7120, 7209, 7290, 7776, 8010, 8544, 8640, 9612, 9720, 10680, 11664, 12015, 12816, 12960, 14240, 14418, 14580, 15552, 16020, 17088, 19224, 19440, 21360, 21627, 23328, 24030, 25632, 25920, 28480, 28836, 29160, 32040, 36045, 38448, 38880, 42720, 43254, 46656, 48060, 51264, 57672, 58320, 64080, 64881, 72090, 76896, 77760, 85440, 86508, 96120, 108135, 115344, 116640, 128160, 129762, 144180, 153792, 173016, 192240, 216270, 230688, 233280, 256320, 259524, 288360, 324405, 346032, 384480, 432540, 461376, 519048, 576720, 648810, 692064, 768960, 865080, 1038096, 1153440, 1297620, 1384128, 1730160, 2076192, 2306880, 2595240, 3460320, 4152384, 5190480, 6920640, 10380960, 20761920]

約数ペア:

[(1, 20761920), (2, 10380960), (3, 6920640), (4, 5190480), (5, 4152384), (6, 3460320), (8, 2595240), (9, 2306880), (10, 2076192), (12, 1730160), (15, 1384128), (16, 1297620), (18, 1153440), (20, 1038096), (24, 865080), (27, 768960), (30, 692064), (32, 648810), (36, 576720), (40, 519048), (45, 461376), (48, 432540), (54, 384480), (60, 346032), (64, 324405), (72, 288360), (80, 259524), (81, 256320), (89, 233280), (90, 230688), (96, 216270), (108, 192240), (120, 173016), (135, 153792), (144, 144180), (160, 129762), (162, 128160), (178, 116640), (180, 115344), (192, 108135), (216, 96120), (240, 86508), (243, 85440), (267, 77760), (270, 76896), (288, 72090), (320, 64881), (324, 64080), (356, 58320), (360, 57672), (405, 51264), (432, 48060), (445, 46656), (480, 43254), (486, 42720), (534, 38880), (540, 38448), (576, 36045), (648, 32040), (712, 29160), (720, 28836), (729, 28480), (801, 25920), (810, 25632), (864, 24030), (890, 23328), (960, 21627), (972, 21360), (1068, 19440), (1080, 19224), (1215, 17088), (1296, 16020), (1335, 15552), (1424, 14580), (1440, 14418), (1458, 14240), (1602, 12960), (1620, 12816), (1728, 12015), (1780, 11664), (1944, 10680), (2136, 9720), (2160, 9612), (2403, 8640), (2430, 8544), (2592, 8010), (2670, 7776), (2848, 7290), (2880, 7209), (2916, 7120), (3204, 6480), (3240, 6408), (3560, 5832), (3645, 5696), (3888, 5340), (4005, 5184), (4272, 4860), (4320, 4806)]