20787962

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{677}}^1\times {\mathrm{1181}}^1$

素因数の和:1873

約数の個数: 16

約数和(自身を含む): 33658632

約数和(自身を除く): 12870670

約数列:

[1, 2, 13, 26, 677, 1181, 1354, 2362, 8801, 15353, 17602, 30706, 799537, 1599074, 10393981, 20787962]

約数ペア:

[(1, 20787962), (2, 10393981), (13, 1599074), (26, 799537), (677, 30706), (1181, 17602), (1354, 15353), (2362, 8801)]