20140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:81

約数の個数: 24

約数和(自身を含む): 45360

約数和(自身を除く): 25220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 53, 76, 95, 106, 190, 212, 265, 380, 530, 1007, 1060, 2014, 4028, 5035, 10070, 20140]

約数ペア:

[(1, 20140), (2, 10070), (4, 5035), (5, 4028), (10, 2014), (19, 1060), (20, 1007), (38, 530), (53, 380), (76, 265), (95, 212), (106, 190)]