20834470

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71843}}^1$

素因数の和:71879

約数の個数: 16

約数和(自身を含む): 38795760

約数和(自身を除く): 17961290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 71843, 143686, 359215, 718430, 2083447, 4166894, 10417235, 20834470]

約数ペア:

[(1, 20834470), (2, 10417235), (5, 4166894), (10, 2083447), (29, 718430), (58, 359215), (145, 143686), (290, 71843)]