20165720640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1615843}}^1$

素因数の和:1615876

約数の個数: 112

約数和(自身を含む): 68951295168

約数和(自身を除く): 48785574528

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 3120, 4160, 6240, 12480, 1615843, 3231686, 4847529, 6463372, 8079215, 9695058, 12926744, 16158430, 19390116, 21005959, 24237645, 25853488, 32316860, 38780232, 42011918, 48475290, 51706976, 63017877, 64633720, 77560464, 84023836, 96950580, 103413952, 105029795, 126035754, 129267440, 155120928, 168047672, 193901160, 210059590, 252071508, 258534880, 310241856, 315089385, 336095344, 387802320, 420119180, 504143016, 517069760, 630178770, 672190688, 775604640, 840238360, 1008286032, 1260357540, 1344381376, 1551209280, 1680476720, 2016572064, 2520715080, 3360953440, 4033144128, 5041430160, 6721906880, 10082860320, 20165720640]

約数ペア:

[(1, 20165720640), (2, 10082860320), (3, 6721906880), (4, 5041430160), (5, 4033144128), (6, 3360953440), (8, 2520715080), (10, 2016572064), (12, 1680476720), (13, 1551209280), (15, 1344381376), (16, 1260357540), (20, 1008286032), (24, 840238360), (26, 775604640), (30, 672190688), (32, 630178770), (39, 517069760), (40, 504143016), (48, 420119180), (52, 387802320), (60, 336095344), (64, 315089385), (65, 310241856), (78, 258534880), (80, 252071508), (96, 210059590), (104, 193901160), (120, 168047672), (130, 155120928), (156, 129267440), (160, 126035754), (192, 105029795), (195, 103413952), (208, 96950580), (240, 84023836), (260, 77560464), (312, 64633720), (320, 63017877), (390, 51706976), (416, 48475290), (480, 42011918), (520, 38780232), (624, 32316860), (780, 25853488), (832, 24237645), (960, 21005959), (1040, 19390116), (1248, 16158430), (1560, 12926744), (2080, 9695058), (2496, 8079215), (3120, 6463372), (4160, 4847529), (6240, 3231686), (12480, 1615843)]