20216167440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{707849}}^1$

素因数の和:707889

約数の個数: 160

約数和(自身を含む): 75836217600

約数和(自身を除く): 55620050160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 48, 51, 56, 60, 68, 70, 80, 84, 85, 102, 105, 112, 119, 120, 136, 140, 168, 170, 204, 210, 238, 240, 255, 272, 280, 336, 340, 357, 408, 420, 476, 510, 560, 595, 680, 714, 816, 840, 952, 1020, 1190, 1360, 1428, 1680, 1785, 1904, 2040, 2380, 2856, 3570, 4080, 4760, 5712, 7140, 9520, 14280, 28560, 707849, 1415698, 2123547, 2831396, 3539245, 4247094, 4954943, 5662792, 7078490, 8494188, 9909886, 10617735, 11325584, 12033433, 14156980, 14864829, 16988376, 19819772, 21235470, 24066866, 24774715, 28313960, 29729658, 33976752, 36100299, 39639544, 42470940, 48133732, 49549430, 56627920, 59459316, 60167165, 72200598, 74324145, 79279088, 84234031, 84941880, 96267464, 99098860, 118918632, 120334330, 144401196, 148648290, 168468062, 169883760, 180501495, 192534928, 198197720, 237837264, 240668660, 252702093, 288802392, 297296580, 336936124, 361002990, 396395440, 421170155, 481337320, 505404186, 577604784, 594593160, 673872248, 722005980, 842340310, 962674640, 1010808372, 1189186320, 1263510465, 1347744496, 1444011960, 1684680620, 2021616744, 2527020930, 2888023920, 3369361240, 4043233488, 5054041860, 6738722480, 10108083720, 20216167440]

約数ペア:

[(1, 20216167440), (2, 10108083720), (3, 6738722480), (4, 5054041860), (5, 4043233488), (6, 3369361240), (7, 2888023920), (8, 2527020930), (10, 2021616744), (12, 1684680620), (14, 1444011960), (15, 1347744496), (16, 1263510465), (17, 1189186320), (20, 1010808372), (21, 962674640), (24, 842340310), (28, 722005980), (30, 673872248), (34, 594593160), (35, 577604784), (40, 505404186), (42, 481337320), (48, 421170155), (51, 396395440), (56, 361002990), (60, 336936124), (68, 297296580), (70, 288802392), (80, 252702093), (84, 240668660), (85, 237837264), (102, 198197720), (105, 192534928), (112, 180501495), (119, 169883760), (120, 168468062), (136, 148648290), (140, 144401196), (168, 120334330), (170, 118918632), (204, 99098860), (210, 96267464), (238, 84941880), (240, 84234031), (255, 79279088), (272, 74324145), (280, 72200598), (336, 60167165), (340, 59459316), (357, 56627920), (408, 49549430), (420, 48133732), (476, 42470940), (510, 39639544), (560, 36100299), (595, 33976752), (680, 29729658), (714, 28313960), (816, 24774715), (840, 24066866), (952, 21235470), (1020, 19819772), (1190, 16988376), (1360, 14864829), (1428, 14156980), (1680, 12033433), (1785, 11325584), (1904, 10617735), (2040, 9909886), (2380, 8494188), (2856, 7078490), (3570, 5662792), (4080, 4954943), (4760, 4247094), (5712, 3539245), (7140, 2831396), (9520, 2123547), (14280, 1415698), (28560, 707849)]