20868430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{189713}}^1$

素因数の和:189731

約数の個数: 16

約数和(自身を含む): 40978224

約数和(自身を除く): 20109794

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 189713, 379426, 948565, 1897130, 2086843, 4173686, 10434215, 20868430]

約数ペア:

[(1, 20868430), (2, 10434215), (5, 4173686), (10, 2086843), (11, 1897130), (22, 948565), (55, 379426), (110, 189713)]