20492784

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:160

約数の個数: 160

約数和(自身を含む): 65620800

約数和(自身を除く): 45128016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 41, 48, 52, 54, 72, 78, 82, 89, 104, 108, 117, 123, 144, 156, 164, 178, 208, 216, 234, 246, 267, 312, 328, 351, 356, 369, 432, 468, 492, 533, 534, 624, 656, 702, 712, 738, 801, 936, 984, 1066, 1068, 1107, 1157, 1404, 1424, 1476, 1599, 1602, 1872, 1968, 2132, 2136, 2214, 2314, 2403, 2808, 2952, 3198, 3204, 3471, 3649, 4264, 4272, 4428, 4628, 4797, 4806, 5616, 5904, 6396, 6408, 6942, 7298, 8528, 8856, 9256, 9594, 9612, 10413, 10947, 12792, 12816, 13884, 14391, 14596, 17712, 18512, 19188, 19224, 20826, 21894, 25584, 27768, 28782, 29192, 31239, 32841, 38376, 38448, 41652, 43788, 47437, 55536, 57564, 58384, 62478, 65682, 76752, 83304, 87576, 94874, 98523, 115128, 124956, 131364, 142311, 166608, 175152, 189748, 197046, 230256, 249912, 262728, 284622, 379496, 394092, 426933, 499824, 525456, 569244, 758992, 788184, 853866, 1138488, 1280799, 1576368, 1707732, 2276976, 2561598, 3415464, 5123196, 6830928, 10246392, 20492784]

約数ペア:

[(1, 20492784), (2, 10246392), (3, 6830928), (4, 5123196), (6, 3415464), (8, 2561598), (9, 2276976), (12, 1707732), (13, 1576368), (16, 1280799), (18, 1138488), (24, 853866), (26, 788184), (27, 758992), (36, 569244), (39, 525456), (41, 499824), (48, 426933), (52, 394092), (54, 379496), (72, 284622), (78, 262728), (82, 249912), (89, 230256), (104, 197046), (108, 189748), (117, 175152), (123, 166608), (144, 142311), (156, 131364), (164, 124956), (178, 115128), (208, 98523), (216, 94874), (234, 87576), (246, 83304), (267, 76752), (312, 65682), (328, 62478), (351, 58384), (356, 57564), (369, 55536), (432, 47437), (468, 43788), (492, 41652), (533, 38448), (534, 38376), (624, 32841), (656, 31239), (702, 29192), (712, 28782), (738, 27768), (801, 25584), (936, 21894), (984, 20826), (1066, 19224), (1068, 19188), (1107, 18512), (1157, 17712), (1404, 14596), (1424, 14391), (1476, 13884), (1599, 12816), (1602, 12792), (1872, 10947), (1968, 10413), (2132, 9612), (2136, 9594), (2214, 9256), (2314, 8856), (2403, 8528), (2808, 7298), (2952, 6942), (3198, 6408), (3204, 6396), (3471, 5904), (3649, 5616), (4264, 4806), (4272, 4797), (4428, 4628)]