20756495

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{991}}^1$

素因数の和:1126

約数の個数: 16

約数和(自身を含む): 25712640

約数和(自身を除く): 4956145

約数列:

[1, 5, 59, 71, 295, 355, 991, 4189, 4955, 20945, 58469, 70361, 292345, 351805, 4151299, 20756495]

約数ペア:

[(1, 20756495), (5, 4151299), (59, 351805), (71, 292345), (295, 70361), (355, 58469), (991, 20945), (4189, 4955)]