20939744

素因数分解:

$2^5\times 7^1\times {\mathrm{93481}}^1$

素因数の和:93498

約数の個数: 24

約数和(自身を含む): 47114928

約数和(自身を除く): 26175184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 93481, 186962, 373924, 654367, 747848, 1308734, 1495696, 2617468, 2991392, 5234936, 10469872, 20939744]

約数ペア:

[(1, 20939744), (2, 10469872), (4, 5234936), (7, 2991392), (8, 2617468), (14, 1495696), (16, 1308734), (28, 747848), (32, 654367), (56, 373924), (112, 186962), (224, 93481)]