20202945

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{27487}}^1$

素因数の和:27509

約数の個数: 24

約数和(自身を含む): 37603584

約数和(自身を除く): 17400639

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 27487, 82461, 137435, 192409, 412305, 577227, 962045, 1346863, 2886135, 4040589, 6734315, 20202945]

約数ペア:

[(1, 20202945), (3, 6734315), (5, 4040589), (7, 2886135), (15, 1346863), (21, 962045), (35, 577227), (49, 412305), (105, 192409), (147, 137435), (245, 82461), (735, 27487)]