20416914

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{54013}}^1$

素因数の和:54031

約数の個数: 32

約数和(自身を含む): 51853440

約数和(自身を除く): 31436526

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 54013, 108026, 162039, 324078, 378091, 486117, 756182, 972234, 1134273, 1458351, 2268546, 2916702, 3402819, 6805638, 10208457, 20416914]

約数ペア:

[(1, 20416914), (2, 10208457), (3, 6805638), (6, 3402819), (7, 2916702), (9, 2268546), (14, 1458351), (18, 1134273), (21, 972234), (27, 756182), (42, 486117), (54, 378091), (63, 324078), (126, 162039), (189, 108026), (378, 54013)]