20275584

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1$

素因数の和:440

約数の個数: 128

約数和(自身を含む): 64953600

約数和(自身を除く): 44678016

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 32, 38, 42, 48, 56, 57, 64, 76, 84, 96, 112, 114, 128, 133, 152, 168, 192, 224, 228, 266, 304, 336, 384, 397, 399, 448, 456, 532, 608, 672, 794, 798, 896, 912, 1064, 1191, 1216, 1344, 1588, 1596, 1824, 2128, 2382, 2432, 2688, 2779, 3176, 3192, 3648, 4256, 4764, 5558, 6352, 6384, 7296, 7543, 8337, 8512, 9528, 11116, 12704, 12768, 15086, 16674, 17024, 19056, 22232, 22629, 25408, 25536, 30172, 33348, 38112, 44464, 45258, 50816, 51072, 52801, 60344, 66696, 76224, 88928, 90516, 105602, 120688, 133392, 152448, 158403, 177856, 181032, 211204, 241376, 266784, 316806, 355712, 362064, 422408, 482752, 533568, 633612, 724128, 844816, 965504, 1067136, 1267224, 1448256, 1689632, 2534448, 2896512, 3379264, 5068896, 6758528, 10137792, 20275584]

約数ペア:

[(1, 20275584), (2, 10137792), (3, 6758528), (4, 5068896), (6, 3379264), (7, 2896512), (8, 2534448), (12, 1689632), (14, 1448256), (16, 1267224), (19, 1067136), (21, 965504), (24, 844816), (28, 724128), (32, 633612), (38, 533568), (42, 482752), (48, 422408), (56, 362064), (57, 355712), (64, 316806), (76, 266784), (84, 241376), (96, 211204), (112, 181032), (114, 177856), (128, 158403), (133, 152448), (152, 133392), (168, 120688), (192, 105602), (224, 90516), (228, 88928), (266, 76224), (304, 66696), (336, 60344), (384, 52801), (397, 51072), (399, 50816), (448, 45258), (456, 44464), (532, 38112), (608, 33348), (672, 30172), (794, 25536), (798, 25408), (896, 22629), (912, 22232), (1064, 19056), (1191, 17024), (1216, 16674), (1344, 15086), (1588, 12768), (1596, 12704), (1824, 11116), (2128, 9528), (2382, 8512), (2432, 8337), (2688, 7543), (2779, 7296), (3176, 6384), (3192, 6352), (3648, 5558), (4256, 4764)]