20040377920

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{20353}}^1$

素因数の和:20568

約数の個数: 112

約数和(自身を含む): 50809934448

約数和(自身を除く): 30769556528

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 181, 272, 320, 340, 362, 544, 680, 724, 905, 1088, 1360, 1448, 1810, 2720, 2896, 3077, 3620, 5440, 5792, 6154, 7240, 11584, 12308, 14480, 15385, 20353, 24616, 28960, 30770, 40706, 49232, 57920, 61540, 81412, 98464, 101765, 123080, 162824, 196928, 203530, 246160, 325648, 346001, 407060, 492320, 651296, 692002, 814120, 984640, 1302592, 1384004, 1628240, 1730005, 2768008, 3256480, 3460010, 3683893, 5536016, 6512960, 6920020, 7367786, 11072032, 13840040, 14735572, 18419465, 22144064, 27680080, 29471144, 36838930, 55360160, 58942288, 62626181, 73677860, 110720320, 117884576, 125252362, 147355720, 235769152, 250504724, 294711440, 313130905, 501009448, 589422880, 626261810, 1002018896, 1178845760, 1252523620, 2004037792, 2505047240, 4008075584, 5010094480, 10020188960, 20040377920]

約数ペア:

[(1, 20040377920), (2, 10020188960), (4, 5010094480), (5, 4008075584), (8, 2505047240), (10, 2004037792), (16, 1252523620), (17, 1178845760), (20, 1002018896), (32, 626261810), (34, 589422880), (40, 501009448), (64, 313130905), (68, 294711440), (80, 250504724), (85, 235769152), (136, 147355720), (160, 125252362), (170, 117884576), (181, 110720320), (272, 73677860), (320, 62626181), (340, 58942288), (362, 55360160), (544, 36838930), (680, 29471144), (724, 27680080), (905, 22144064), (1088, 18419465), (1360, 14735572), (1448, 13840040), (1810, 11072032), (2720, 7367786), (2896, 6920020), (3077, 6512960), (3620, 5536016), (5440, 3683893), (5792, 3460010), (6154, 3256480), (7240, 2768008), (11584, 1730005), (12308, 1628240), (14480, 1384004), (15385, 1302592), (20353, 984640), (24616, 814120), (28960, 692002), (30770, 651296), (40706, 492320), (49232, 407060), (57920, 346001), (61540, 325648), (81412, 246160), (98464, 203530), (101765, 196928), (123080, 162824)]