20829965

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4783}}^1$

素因数の和:4868

約数の個数: 16

約数和(自身を含む): 27326208

約数和(自身を除く): 6496243

約数列:

[1, 5, 13, 65, 67, 335, 871, 4355, 4783, 23915, 62179, 310895, 320461, 1602305, 4165993, 20829965]

約数ペア:

[(1, 20829965), (5, 4165993), (13, 1602305), (65, 320461), (67, 310895), (335, 62179), (871, 23915), (4355, 4783)]