20324416

素因数分解:

$2^6\times 7^2\times {\mathrm{6481}}^1$

素因数の和:6507

約数の個数: 42

約数和(自身を含む): 46923198

約数和(自身を除く): 26598782

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 6481, 12962, 25924, 45367, 51848, 90734, 103696, 181468, 207392, 317569, 362936, 414784, 635138, 725872, 1270276, 1451744, 2540552, 2903488, 5081104, 10162208, 20324416]

約数ペア:

[(1, 20324416), (2, 10162208), (4, 5081104), (7, 2903488), (8, 2540552), (14, 1451744), (16, 1270276), (28, 725872), (32, 635138), (49, 414784), (56, 362936), (64, 317569), (98, 207392), (112, 181468), (196, 103696), (224, 90734), (392, 51848), (448, 45367), (784, 25924), (1568, 12962), (3136, 6481)]