20948574080

素因数分解:

$2^7\times 5^1\times 7^3\times {\mathrm{95429}}^1$

素因数の和:95469

約数の個数: 128

約数和(自身を含む): 58403160000

約数和(自身を除く): 37454585920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 280, 320, 343, 392, 448, 490, 560, 640, 686, 784, 896, 980, 1120, 1372, 1568, 1715, 1960, 2240, 2744, 3136, 3430, 3920, 4480, 5488, 6272, 6860, 7840, 10976, 13720, 15680, 21952, 27440, 31360, 43904, 54880, 95429, 109760, 190858, 219520, 381716, 477145, 668003, 763432, 954290, 1336006, 1526864, 1908580, 2672012, 3053728, 3340015, 3817160, 4676021, 5344024, 6107456, 6680030, 7634320, 9352042, 10688048, 12214912, 13360060, 15268640, 18704084, 21376096, 23380105, 26720120, 30537280, 32732147, 37408168, 42752192, 46760210, 53440240, 61074560, 65464294, 74816336, 85504384, 93520420, 106880480, 130928588, 149632672, 163660735, 187040840, 213760960, 261857176, 299265344, 327321470, 374081680, 427521920, 523714352, 598530688, 654642940, 748163360, 1047428704, 1309285880, 1496326720, 2094857408, 2618571760, 2992653440, 4189714816, 5237143520, 10474287040, 20948574080]

約数ペア:

[(1, 20948574080), (2, 10474287040), (4, 5237143520), (5, 4189714816), (7, 2992653440), (8, 2618571760), (10, 2094857408), (14, 1496326720), (16, 1309285880), (20, 1047428704), (28, 748163360), (32, 654642940), (35, 598530688), (40, 523714352), (49, 427521920), (56, 374081680), (64, 327321470), (70, 299265344), (80, 261857176), (98, 213760960), (112, 187040840), (128, 163660735), (140, 149632672), (160, 130928588), (196, 106880480), (224, 93520420), (245, 85504384), (280, 74816336), (320, 65464294), (343, 61074560), (392, 53440240), (448, 46760210), (490, 42752192), (560, 37408168), (640, 32732147), (686, 30537280), (784, 26720120), (896, 23380105), (980, 21376096), (1120, 18704084), (1372, 15268640), (1568, 13360060), (1715, 12214912), (1960, 10688048), (2240, 9352042), (2744, 7634320), (3136, 6680030), (3430, 6107456), (3920, 5344024), (4480, 4676021), (5488, 3817160), (6272, 3340015), (6860, 3053728), (7840, 2672012), (10976, 1908580), (13720, 1526864), (15680, 1336006), (21952, 954290), (27440, 763432), (31360, 668003), (43904, 477145), (54880, 381716), (95429, 219520), (109760, 190858)]