20360865

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8431}}^1$

素因数の和:8469

約数の個数: 32

約数和(自身を含む): 38854656

約数和(自身を除く): 18493791

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 805, 2415, 8431, 25293, 42155, 59017, 126465, 177051, 193913, 295085, 581739, 885255, 969565, 1357391, 2908695, 4072173, 6786955, 20360865]

約数ペア:

[(1, 20360865), (3, 6786955), (5, 4072173), (7, 2908695), (15, 1357391), (21, 969565), (23, 885255), (35, 581739), (69, 295085), (105, 193913), (115, 177051), (161, 126465), (345, 59017), (483, 42155), (805, 25293), (2415, 8431)]