20854267440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{64033}}^1$

素因数の和:64131

約数の個数: 160

約数和(自身を含む): 68603466240

約数和(自身を除く): 47749198800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 59, 60, 69, 80, 92, 115, 118, 120, 138, 177, 184, 230, 236, 240, 276, 295, 345, 354, 368, 460, 472, 552, 590, 690, 708, 885, 920, 944, 1104, 1180, 1357, 1380, 1416, 1770, 1840, 2360, 2714, 2760, 2832, 3540, 4071, 4720, 5428, 5520, 6785, 7080, 8142, 10856, 13570, 14160, 16284, 20355, 21712, 27140, 32568, 40710, 54280, 64033, 65136, 81420, 108560, 128066, 162840, 192099, 256132, 320165, 325680, 384198, 512264, 640330, 768396, 960495, 1024528, 1280660, 1472759, 1536792, 1920990, 2561320, 2945518, 3073584, 3777947, 3841980, 4418277, 5122640, 5891036, 7363795, 7555894, 7683960, 8836554, 11333841, 11782072, 14727590, 15111788, 15367920, 17673108, 18889735, 22091385, 22667682, 23564144, 29455180, 30223576, 35346216, 37779470, 44182770, 45335364, 56669205, 58910360, 60447152, 70692432, 75558940, 86892781, 88365540, 90670728, 113338410, 117820720, 151117880, 173785562, 176731080, 181341456, 226676820, 260678343, 302235760, 347571124, 353462160, 434463905, 453353640, 521356686, 695142248, 868927810, 906707280, 1042713372, 1303391715, 1390284496, 1737855620, 2085426744, 2606783430, 3475711240, 4170853488, 5213566860, 6951422480, 10427133720, 20854267440]

約数ペア:

[(1, 20854267440), (2, 10427133720), (3, 6951422480), (4, 5213566860), (5, 4170853488), (6, 3475711240), (8, 2606783430), (10, 2085426744), (12, 1737855620), (15, 1390284496), (16, 1303391715), (20, 1042713372), (23, 906707280), (24, 868927810), (30, 695142248), (40, 521356686), (46, 453353640), (48, 434463905), (59, 353462160), (60, 347571124), (69, 302235760), (80, 260678343), (92, 226676820), (115, 181341456), (118, 176731080), (120, 173785562), (138, 151117880), (177, 117820720), (184, 113338410), (230, 90670728), (236, 88365540), (240, 86892781), (276, 75558940), (295, 70692432), (345, 60447152), (354, 58910360), (368, 56669205), (460, 45335364), (472, 44182770), (552, 37779470), (590, 35346216), (690, 30223576), (708, 29455180), (885, 23564144), (920, 22667682), (944, 22091385), (1104, 18889735), (1180, 17673108), (1357, 15367920), (1380, 15111788), (1416, 14727590), (1770, 11782072), (1840, 11333841), (2360, 8836554), (2714, 7683960), (2760, 7555894), (2832, 7363795), (3540, 5891036), (4071, 5122640), (4720, 4418277), (5428, 3841980), (5520, 3777947), (6785, 3073584), (7080, 2945518), (8142, 2561320), (10856, 1920990), (13570, 1536792), (14160, 1472759), (16284, 1280660), (20355, 1024528), (21712, 960495), (27140, 768396), (32568, 640330), (40710, 512264), (54280, 384198), (64033, 325680), (65136, 320165), (81420, 256132), (108560, 192099), (128066, 162840)]