20161821338

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{1721}}^1\times {\mathrm{136223}}^1$

素因数の和:137989

約数の個数: 16

約数和(自身を含む): 30964260096

約数和(自身を除く): 10802438758

約数列:

[1, 2, 43, 86, 1721, 3442, 74003, 136223, 148006, 272446, 5857589, 11715178, 234439783, 468879566, 10080910669, 20161821338]

約数ペア:

[(1, 20161821338), (2, 10080910669), (43, 468879566), (86, 234439783), (1721, 11715178), (3442, 5857589), (74003, 272446), (136223, 148006)]