20814322015

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{971}}^1\times {\mathrm{60383}}^1$

素因数の和:61430

約数の個数: 16

約数和(自身を含む): 25355483136

約数和(自身を除く): 4541161121

約数列:

[1, 5, 71, 355, 971, 4855, 60383, 68941, 301915, 344705, 4287193, 21435965, 58631893, 293159465, 4162864403, 20814322015]

約数ペア:

[(1, 20814322015), (5, 4162864403), (71, 293159465), (355, 58631893), (971, 21435965), (4855, 4287193), (60383, 344705), (68941, 301915)]