20207475840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{553933}}^1$

素因数の和:553974

約数の個数: 128

約数和(自身を含む): 67801521600

約数和(自身を除く): 47594045760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 128, 152, 160, 190, 192, 228, 240, 285, 304, 320, 380, 384, 456, 480, 570, 608, 640, 760, 912, 960, 1140, 1216, 1520, 1824, 1920, 2280, 2432, 3040, 3648, 4560, 6080, 7296, 9120, 12160, 18240, 36480, 553933, 1107866, 1661799, 2215732, 2769665, 3323598, 4431464, 5539330, 6647196, 8308995, 8862928, 10524727, 11078660, 13294392, 16617990, 17725856, 21049454, 22157320, 26588784, 31574181, 33235980, 35451712, 42098908, 44314640, 52623635, 53177568, 63148362, 66471960, 70903424, 84197816, 88629280, 105247270, 106355136, 126296724, 132943920, 157870905, 168395632, 177258560, 210494540, 212710272, 252593448, 265887840, 315741810, 336791264, 354517120, 420989080, 505186896, 531775680, 631483620, 673582528, 841978160, 1010373792, 1063551360, 1262967240, 1347165056, 1683956320, 2020747584, 2525934480, 3367912640, 4041495168, 5051868960, 6735825280, 10103737920, 20207475840]

約数ペア:

[(1, 20207475840), (2, 10103737920), (3, 6735825280), (4, 5051868960), (5, 4041495168), (6, 3367912640), (8, 2525934480), (10, 2020747584), (12, 1683956320), (15, 1347165056), (16, 1262967240), (19, 1063551360), (20, 1010373792), (24, 841978160), (30, 673582528), (32, 631483620), (38, 531775680), (40, 505186896), (48, 420989080), (57, 354517120), (60, 336791264), (64, 315741810), (76, 265887840), (80, 252593448), (95, 212710272), (96, 210494540), (114, 177258560), (120, 168395632), (128, 157870905), (152, 132943920), (160, 126296724), (190, 106355136), (192, 105247270), (228, 88629280), (240, 84197816), (285, 70903424), (304, 66471960), (320, 63148362), (380, 53177568), (384, 52623635), (456, 44314640), (480, 42098908), (570, 35451712), (608, 33235980), (640, 31574181), (760, 26588784), (912, 22157320), (960, 21049454), (1140, 17725856), (1216, 16617990), (1520, 13294392), (1824, 11078660), (1920, 10524727), (2280, 8862928), (2432, 8308995), (3040, 6647196), (3648, 5539330), (4560, 4431464), (6080, 3323598), (7296, 2769665), (9120, 2215732), (12160, 1661799), (18240, 1107866), (36480, 553933)]