20927424

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{677}}^1$

素因数の和:722

約数の個数: 112

約数和(自身を含む): 66129408

約数和(自身を除く): 45201984

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 32, 42, 46, 48, 56, 64, 69, 84, 92, 96, 112, 138, 161, 168, 184, 192, 224, 276, 322, 336, 368, 448, 483, 552, 644, 672, 677, 736, 966, 1104, 1288, 1344, 1354, 1472, 1932, 2031, 2208, 2576, 2708, 3864, 4062, 4416, 4739, 5152, 5416, 7728, 8124, 9478, 10304, 10832, 14217, 15456, 15571, 16248, 18956, 21664, 28434, 30912, 31142, 32496, 37912, 43328, 46713, 56868, 62284, 64992, 75824, 93426, 108997, 113736, 124568, 129984, 151648, 186852, 217994, 227472, 249136, 303296, 326991, 373704, 435988, 454944, 498272, 653982, 747408, 871976, 909888, 996544, 1307964, 1494816, 1743952, 2615928, 2989632, 3487904, 5231856, 6975808, 10463712, 20927424]

約数ペア:

[(1, 20927424), (2, 10463712), (3, 6975808), (4, 5231856), (6, 3487904), (7, 2989632), (8, 2615928), (12, 1743952), (14, 1494816), (16, 1307964), (21, 996544), (23, 909888), (24, 871976), (28, 747408), (32, 653982), (42, 498272), (46, 454944), (48, 435988), (56, 373704), (64, 326991), (69, 303296), (84, 249136), (92, 227472), (96, 217994), (112, 186852), (138, 151648), (161, 129984), (168, 124568), (184, 113736), (192, 108997), (224, 93426), (276, 75824), (322, 64992), (336, 62284), (368, 56868), (448, 46713), (483, 43328), (552, 37912), (644, 32496), (672, 31142), (677, 30912), (736, 28434), (966, 21664), (1104, 18956), (1288, 16248), (1344, 15571), (1354, 15456), (1472, 14217), (1932, 10832), (2031, 10304), (2208, 9478), (2576, 8124), (2708, 7728), (3864, 5416), (4062, 5152), (4416, 4739)]