20798077188

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{487}}^1\times {\mathrm{3881}}^1$

素因数の和:4513

約数の個数: 96

約数和(自身を含む): 56014092288

約数和(自身を除く): 35216015100

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 131, 262, 393, 487, 524, 786, 917, 974, 1461, 1572, 1834, 1948, 2751, 2922, 3409, 3668, 3881, 5502, 5844, 6818, 7762, 10227, 11004, 11643, 13636, 15524, 20454, 23286, 27167, 40908, 46572, 54334, 63797, 81501, 108668, 127594, 163002, 191391, 255188, 326004, 382782, 446579, 508411, 765564, 893158, 1016822, 1339737, 1525233, 1786316, 1890047, 2033644, 2679474, 3050466, 3558877, 3780094, 5358948, 5670141, 6100932, 7117754, 7560188, 10676631, 11340282, 13230329, 14235508, 21353262, 22680564, 26460658, 39690987, 42706524, 52921316, 79381974, 158763948, 247596157, 495192314, 742788471, 990384628, 1485576942, 1733173099, 2971153884, 3466346198, 5199519297, 6932692396, 10399038594, 20798077188]

約数ペア:

[(1, 20798077188), (2, 10399038594), (3, 6932692396), (4, 5199519297), (6, 3466346198), (7, 2971153884), (12, 1733173099), (14, 1485576942), (21, 990384628), (28, 742788471), (42, 495192314), (84, 247596157), (131, 158763948), (262, 79381974), (393, 52921316), (487, 42706524), (524, 39690987), (786, 26460658), (917, 22680564), (974, 21353262), (1461, 14235508), (1572, 13230329), (1834, 11340282), (1948, 10676631), (2751, 7560188), (2922, 7117754), (3409, 6100932), (3668, 5670141), (3881, 5358948), (5502, 3780094), (5844, 3558877), (6818, 3050466), (7762, 2679474), (10227, 2033644), (11004, 1890047), (11643, 1786316), (13636, 1525233), (15524, 1339737), (20454, 1016822), (23286, 893158), (27167, 765564), (40908, 508411), (46572, 446579), (54334, 382782), (63797, 326004), (81501, 255188), (108668, 191391), (127594, 163002)]