20798232

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:225

約数の個数: 128

約数和(自身を含む): 65318400

約数和(自身を除く): 44520168

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 89, 91, 104, 107, 156, 168, 178, 182, 214, 267, 273, 312, 321, 356, 364, 428, 534, 546, 623, 642, 712, 728, 749, 856, 1068, 1092, 1157, 1246, 1284, 1391, 1498, 1869, 2136, 2184, 2247, 2314, 2492, 2568, 2782, 2996, 3471, 3738, 4173, 4494, 4628, 4984, 5564, 5992, 6942, 7476, 8099, 8346, 8988, 9256, 9523, 9737, 11128, 13884, 14952, 16198, 16692, 17976, 19046, 19474, 24297, 27768, 28569, 29211, 32396, 33384, 38092, 38948, 48594, 57138, 58422, 64792, 66661, 76184, 77896, 97188, 114276, 116844, 123799, 133322, 194376, 199983, 228552, 233688, 247598, 266644, 371397, 399966, 495196, 533288, 742794, 799932, 866593, 990392, 1485588, 1599864, 1733186, 2599779, 2971176, 3466372, 5199558, 6932744, 10399116, 20798232]

約数ペア:

[(1, 20798232), (2, 10399116), (3, 6932744), (4, 5199558), (6, 3466372), (7, 2971176), (8, 2599779), (12, 1733186), (13, 1599864), (14, 1485588), (21, 990392), (24, 866593), (26, 799932), (28, 742794), (39, 533288), (42, 495196), (52, 399966), (56, 371397), (78, 266644), (84, 247598), (89, 233688), (91, 228552), (104, 199983), (107, 194376), (156, 133322), (168, 123799), (178, 116844), (182, 114276), (214, 97188), (267, 77896), (273, 76184), (312, 66661), (321, 64792), (356, 58422), (364, 57138), (428, 48594), (534, 38948), (546, 38092), (623, 33384), (642, 32396), (712, 29211), (728, 28569), (749, 27768), (856, 24297), (1068, 19474), (1092, 19046), (1157, 17976), (1246, 16692), (1284, 16198), (1391, 14952), (1498, 13884), (1869, 11128), (2136, 9737), (2184, 9523), (2247, 9256), (2314, 8988), (2492, 8346), (2568, 8099), (2782, 7476), (2996, 6942), (3471, 5992), (3738, 5564), (4173, 4984), (4494, 4628)]