20728044

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{9439}}^1$

素因数の和:9510

約数の個数: 36

約数和(自身を含む): 53260480

約数和(自身を除く): 32532436

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 122, 183, 244, 366, 549, 732, 1098, 2196, 9439, 18878, 28317, 37756, 56634, 84951, 113268, 169902, 339804, 575779, 1151558, 1727337, 2303116, 3454674, 5182011, 6909348, 10364022, 20728044]

約数ペア:

[(1, 20728044), (2, 10364022), (3, 6909348), (4, 5182011), (6, 3454674), (9, 2303116), (12, 1727337), (18, 1151558), (36, 575779), (61, 339804), (122, 169902), (183, 113268), (244, 84951), (366, 56634), (549, 37756), (732, 28317), (1098, 18878), (2196, 9439)]