20269263

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{15823}}^1$

素因数の和:15894

約数の個数: 16

約数和(自身を含む): 31394816

約数和(自身を除く): 11125553

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 15823, 47469, 110761, 332283, 965203, 2895609, 6756421, 20269263]

約数ペア:

[(1, 20269263), (3, 6756421), (7, 2895609), (21, 965203), (61, 332283), (183, 110761), (427, 47469), (1281, 15823)]