20903904

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{10369}}^1$

素因数の和:10392

約数の個数: 72

約数和(自身を含む): 67944240

約数和(自身を除く): 47040336

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 10369, 20738, 31107, 41476, 62214, 72583, 82952, 93321, 124428, 145166, 165904, 186642, 217749, 248856, 290332, 331808, 373284, 435498, 497712, 580664, 653247, 746568, 870996, 995424, 1161328, 1306494, 1493136, 1741992, 2322656, 2612988, 2986272, 3483984, 5225976, 6967968, 10451952, 20903904]

約数ペア:

[(1, 20903904), (2, 10451952), (3, 6967968), (4, 5225976), (6, 3483984), (7, 2986272), (8, 2612988), (9, 2322656), (12, 1741992), (14, 1493136), (16, 1306494), (18, 1161328), (21, 995424), (24, 870996), (28, 746568), (32, 653247), (36, 580664), (42, 497712), (48, 435498), (56, 373284), (63, 331808), (72, 290332), (84, 248856), (96, 217749), (112, 186642), (126, 165904), (144, 145166), (168, 124428), (224, 93321), (252, 82952), (288, 72583), (336, 62214), (504, 41476), (672, 31107), (1008, 20738), (2016, 10369)]