20993728560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{43541}}^1$

素因数の和:43612

約数の個数: 240

約数和(自身を含む): 77554223712

約数和(自身を除く): 56560495152

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 41, 42, 48, 49, 56, 60, 70, 80, 82, 84, 98, 105, 112, 120, 123, 140, 147, 164, 168, 196, 205, 210, 240, 245, 246, 280, 287, 294, 328, 336, 392, 410, 420, 490, 492, 560, 574, 588, 615, 656, 735, 784, 820, 840, 861, 980, 984, 1148, 1176, 1230, 1435, 1470, 1640, 1680, 1722, 1960, 1968, 2009, 2296, 2352, 2460, 2870, 2940, 3280, 3444, 3920, 4018, 4305, 4592, 4920, 5740, 5880, 6027, 6888, 8036, 8610, 9840, 10045, 11480, 11760, 12054, 13776, 16072, 17220, 20090, 22960, 24108, 30135, 32144, 34440, 40180, 43541, 48216, 60270, 68880, 80360, 87082, 96432, 120540, 130623, 160720, 174164, 217705, 241080, 261246, 304787, 348328, 435410, 482160, 522492, 609574, 653115, 696656, 870820, 914361, 1044984, 1219148, 1306230, 1523935, 1741640, 1785181, 1828722, 2089968, 2133509, 2438296, 2612460, 3047870, 3483280, 3570362, 3657444, 4267018, 4571805, 4876592, 5224920, 5355543, 6095740, 6400527, 7140724, 7314888, 8534036, 8925905, 9143610, 10449840, 10667545, 10711086, 12191480, 12496267, 12801054, 14281448, 14629776, 17068072, 17851810, 18287220, 21335090, 21422172, 24382960, 24992534, 25602108, 26777715, 28562896, 32002635, 34136144, 35703620, 36574440, 37488801, 42670180, 42844344, 49985068, 51204216, 53555430, 62481335, 64005270, 71407240, 73148880, 74977602, 85340360, 85688688, 87473869, 99970136, 102408432, 107110860, 124962670, 128010540, 142814480, 149955204, 170680720, 174947738, 187444005, 199940272, 214221720, 249925340, 256021080, 262421607, 299910408, 349895476, 374888010, 428443440, 437369345, 499850680, 512042160, 524843214, 599820816, 699790952, 749776020, 874738690, 999701360, 1049686428, 1312108035, 1399581904, 1499552040, 1749477380, 2099372856, 2624216070, 2999104080, 3498954760, 4198745712, 5248432140, 6997909520, 10496864280, 20993728560]

約数ペア:

[(1, 20993728560), (2, 10496864280), (3, 6997909520), (4, 5248432140), (5, 4198745712), (6, 3498954760), (7, 2999104080), (8, 2624216070), (10, 2099372856), (12, 1749477380), (14, 1499552040), (15, 1399581904), (16, 1312108035), (20, 1049686428), (21, 999701360), (24, 874738690), (28, 749776020), (30, 699790952), (35, 599820816), (40, 524843214), (41, 512042160), (42, 499850680), (48, 437369345), (49, 428443440), (56, 374888010), (60, 349895476), (70, 299910408), (80, 262421607), (82, 256021080), (84, 249925340), (98, 214221720), (105, 199940272), (112, 187444005), (120, 174947738), (123, 170680720), (140, 149955204), (147, 142814480), (164, 128010540), (168, 124962670), (196, 107110860), (205, 102408432), (210, 99970136), (240, 87473869), (245, 85688688), (246, 85340360), (280, 74977602), (287, 73148880), (294, 71407240), (328, 64005270), (336, 62481335), (392, 53555430), (410, 51204216), (420, 49985068), (490, 42844344), (492, 42670180), (560, 37488801), (574, 36574440), (588, 35703620), (615, 34136144), (656, 32002635), (735, 28562896), (784, 26777715), (820, 25602108), (840, 24992534), (861, 24382960), (980, 21422172), (984, 21335090), (1148, 18287220), (1176, 17851810), (1230, 17068072), (1435, 14629776), (1470, 14281448), (1640, 12801054), (1680, 12496267), (1722, 12191480), (1960, 10711086), (1968, 10667545), (2009, 10449840), (2296, 9143610), (2352, 8925905), (2460, 8534036), (2870, 7314888), (2940, 7140724), (3280, 6400527), (3444, 6095740), (3920, 5355543), (4018, 5224920), (4305, 4876592), (4592, 4571805), (4920, 4267018), (5740, 3657444), (5880, 3570362), (6027, 3483280), (6888, 3047870), (8036, 2612460), (8610, 2438296), (9840, 2133509), (10045, 2089968), (11480, 1828722), (11760, 1785181), (12054, 1741640), (13776, 1523935), (16072, 1306230), (17220, 1219148), (20090, 1044984), (22960, 914361), (24108, 870820), (30135, 696656), (32144, 653115), (34440, 609574), (40180, 522492), (43541, 482160), (48216, 435410), (60270, 348328), (68880, 304787), (80360, 261246), (87082, 241080), (96432, 217705), (120540, 174164), (130623, 160720)]