20378184

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:147

約数の個数: 128

約数和(自身を含む): 58752000

約数和(自身を除く): 38373816

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 23, 24, 29, 38, 46, 57, 58, 67, 69, 76, 87, 92, 114, 116, 134, 138, 152, 174, 184, 201, 228, 232, 268, 276, 348, 402, 437, 456, 536, 551, 552, 667, 696, 804, 874, 1102, 1273, 1311, 1334, 1541, 1608, 1653, 1748, 1943, 2001, 2204, 2546, 2622, 2668, 3082, 3306, 3496, 3819, 3886, 4002, 4408, 4623, 5092, 5244, 5336, 5829, 6164, 6612, 7638, 7772, 8004, 9246, 10184, 10488, 11658, 12328, 12673, 13224, 15276, 15544, 16008, 18492, 23316, 25346, 29279, 30552, 36917, 36984, 38019, 44689, 46632, 50692, 58558, 73834, 76038, 87837, 89378, 101384, 110751, 117116, 134067, 147668, 152076, 175674, 178756, 221502, 234232, 268134, 295336, 304152, 351348, 357512, 443004, 536268, 702696, 849091, 886008, 1072536, 1698182, 2547273, 3396364, 5094546, 6792728, 10189092, 20378184]

約数ペア:

[(1, 20378184), (2, 10189092), (3, 6792728), (4, 5094546), (6, 3396364), (8, 2547273), (12, 1698182), (19, 1072536), (23, 886008), (24, 849091), (29, 702696), (38, 536268), (46, 443004), (57, 357512), (58, 351348), (67, 304152), (69, 295336), (76, 268134), (87, 234232), (92, 221502), (114, 178756), (116, 175674), (134, 152076), (138, 147668), (152, 134067), (174, 117116), (184, 110751), (201, 101384), (228, 89378), (232, 87837), (268, 76038), (276, 73834), (348, 58558), (402, 50692), (437, 46632), (456, 44689), (536, 38019), (551, 36984), (552, 36917), (667, 30552), (696, 29279), (804, 25346), (874, 23316), (1102, 18492), (1273, 16008), (1311, 15544), (1334, 15276), (1541, 13224), (1608, 12673), (1653, 12328), (1748, 11658), (1943, 10488), (2001, 10184), (2204, 9246), (2546, 8004), (2622, 7772), (2668, 7638), (3082, 6612), (3306, 6164), (3496, 5829), (3819, 5336), (3886, 5244), (4002, 5092), (4408, 4623)]