20647510118

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1\times {\mathrm{891439}}^1$

素因数の和:891791

約数の個数: 16

約数和(自身を含む): 31909986240

約数和(自身を除く): 11262476122

約数列:

[1, 2, 37, 74, 313, 626, 11581, 23162, 891439, 1782878, 32983243, 65966486, 279020407, 558040814, 10323755059, 20647510118]

約数ペア:

[(1, 20647510118), (2, 10323755059), (37, 558040814), (74, 279020407), (313, 65966486), (626, 32983243), (11581, 1782878), (23162, 891439)]