20992832

素因数分解:

$2^6\times 7^1\times {\mathrm{47}}^1\times {\mathrm{997}}^1$

素因数の和:1063

約数の個数: 56

約数和(自身を含む): 48670464

約数和(自身を除く): 27677632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 47, 56, 64, 94, 112, 188, 224, 329, 376, 448, 658, 752, 997, 1316, 1504, 1994, 2632, 3008, 3988, 5264, 6979, 7976, 10528, 13958, 15952, 21056, 27916, 31904, 46859, 55832, 63808, 93718, 111664, 187436, 223328, 328013, 374872, 446656, 656026, 749744, 1312052, 1499488, 2624104, 2998976, 5248208, 10496416, 20992832]

約数ペア:

[(1, 20992832), (2, 10496416), (4, 5248208), (7, 2998976), (8, 2624104), (14, 1499488), (16, 1312052), (28, 749744), (32, 656026), (47, 446656), (56, 374872), (64, 328013), (94, 223328), (112, 187436), (188, 111664), (224, 93718), (329, 63808), (376, 55832), (448, 46859), (658, 31904), (752, 27916), (997, 21056), (1316, 15952), (1504, 13958), (1994, 10528), (2632, 7976), (3008, 6979), (3988, 5264)]