20788992

素因数分解:

$2^8\times 3^2\times 7^1\times {\mathrm{1289}}^1$

素因数の和:1318

約数の個数: 108

約数和(自身を含む): 68555760

約数和(自身を除く): 47766768

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 128, 144, 168, 192, 224, 252, 256, 288, 336, 384, 448, 504, 576, 672, 768, 896, 1008, 1152, 1289, 1344, 1792, 2016, 2304, 2578, 2688, 3867, 4032, 5156, 5376, 7734, 8064, 9023, 10312, 11601, 15468, 16128, 18046, 20624, 23202, 27069, 30936, 36092, 41248, 46404, 54138, 61872, 72184, 81207, 82496, 92808, 108276, 123744, 144368, 162414, 164992, 185616, 216552, 247488, 288736, 324828, 329984, 371232, 433104, 494976, 577472, 649656, 742464, 866208, 989952, 1154944, 1299312, 1484928, 1732416, 2309888, 2598624, 2969856, 3464832, 5197248, 6929664, 10394496, 20788992]

約数ペア:

[(1, 20788992), (2, 10394496), (3, 6929664), (4, 5197248), (6, 3464832), (7, 2969856), (8, 2598624), (9, 2309888), (12, 1732416), (14, 1484928), (16, 1299312), (18, 1154944), (21, 989952), (24, 866208), (28, 742464), (32, 649656), (36, 577472), (42, 494976), (48, 433104), (56, 371232), (63, 329984), (64, 324828), (72, 288736), (84, 247488), (96, 216552), (112, 185616), (126, 164992), (128, 162414), (144, 144368), (168, 123744), (192, 108276), (224, 92808), (252, 82496), (256, 81207), (288, 72184), (336, 61872), (384, 54138), (448, 46404), (504, 41248), (576, 36092), (672, 30936), (768, 27069), (896, 23202), (1008, 20624), (1152, 18046), (1289, 16128), (1344, 15468), (1792, 11601), (2016, 10312), (2304, 9023), (2578, 8064), (2688, 7734), (3867, 5376), (4032, 5156)]