20394578880

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{544727}}^1$

素因数の和:544763

約数の個数: 168

約数和(自身を含む): 75545057952

約数和(自身を除く): 55150479072

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 260, 288, 312, 320, 360, 390, 416, 468, 480, 520, 576, 585, 624, 720, 780, 832, 936, 960, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 2496, 2880, 3120, 3744, 4160, 4680, 6240, 7488, 9360, 12480, 18720, 37440, 544727, 1089454, 1634181, 2178908, 2723635, 3268362, 4357816, 4902543, 5447270, 6536724, 7081451, 8170905, 8715632, 9805086, 10894540, 13073448, 14162902, 16341810, 17431264, 19610172, 21244353, 21789080, 24512715, 26146896, 28325804, 32683620, 34862528, 35407255, 39220344, 42488706, 43578160, 49025430, 52293792, 56651608, 63733059, 65367240, 70814510, 78440688, 84977412, 87156320, 98050860, 104587584, 106221765, 113303216, 127466118, 130734480, 141629020, 156881376, 169954824, 174312640, 196101720, 212443530, 226606432, 254932236, 261468960, 283258040, 313762752, 318665295, 339909648, 392203440, 424887060, 453212864, 509864472, 522937920, 566516080, 637330590, 679819296, 784406880, 849774120, 1019728944, 1133032160, 1274661180, 1359638592, 1568813760, 1699548240, 2039457888, 2266064320, 2549322360, 3399096480, 4078915776, 5098644720, 6798192960, 10197289440, 20394578880]

約数ペア:

[(1, 20394578880), (2, 10197289440), (3, 6798192960), (4, 5098644720), (5, 4078915776), (6, 3399096480), (8, 2549322360), (9, 2266064320), (10, 2039457888), (12, 1699548240), (13, 1568813760), (15, 1359638592), (16, 1274661180), (18, 1133032160), (20, 1019728944), (24, 849774120), (26, 784406880), (30, 679819296), (32, 637330590), (36, 566516080), (39, 522937920), (40, 509864472), (45, 453212864), (48, 424887060), (52, 392203440), (60, 339909648), (64, 318665295), (65, 313762752), (72, 283258040), (78, 261468960), (80, 254932236), (90, 226606432), (96, 212443530), (104, 196101720), (117, 174312640), (120, 169954824), (130, 156881376), (144, 141629020), (156, 130734480), (160, 127466118), (180, 113303216), (192, 106221765), (195, 104587584), (208, 98050860), (234, 87156320), (240, 84977412), (260, 78440688), (288, 70814510), (312, 65367240), (320, 63733059), (360, 56651608), (390, 52293792), (416, 49025430), (468, 43578160), (480, 42488706), (520, 39220344), (576, 35407255), (585, 34862528), (624, 32683620), (720, 28325804), (780, 26146896), (832, 24512715), (936, 21789080), (960, 21244353), (1040, 19610172), (1170, 17431264), (1248, 16341810), (1440, 14162902), (1560, 13073448), (1872, 10894540), (2080, 9805086), (2340, 8715632), (2496, 8170905), (2880, 7081451), (3120, 6536724), (3744, 5447270), (4160, 4902543), (4680, 4357816), (6240, 3268362), (7488, 2723635), (9360, 2178908), (12480, 1634181), (18720, 1089454), (37440, 544727)]