20531392

素因数分解:

$2^6\times 7^2\times {\mathrm{6547}}^1$

素因数の和:6573

約数の個数: 42

約数和(自身を含む): 47400972

約数和(自身を除く): 26869580

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 6547, 13094, 26188, 45829, 52376, 91658, 104752, 183316, 209504, 320803, 366632, 419008, 641606, 733264, 1283212, 1466528, 2566424, 2933056, 5132848, 10265696, 20531392]

約数ペア:

[(1, 20531392), (2, 10265696), (4, 5132848), (7, 2933056), (8, 2566424), (14, 1466528), (16, 1283212), (28, 733264), (32, 641606), (49, 419008), (56, 366632), (64, 320803), (98, 209504), (112, 183316), (196, 104752), (224, 91658), (392, 52376), (448, 45829), (784, 26188), (1568, 13094), (3136, 6547)]