20165085704

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{337751}}^1$

素因数の和:338213

約数の個数: 32

約数和(自身を含む): 40124937600

約数和(自身を除く): 19959851896

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 439, 878, 1756, 3512, 7463, 14926, 29852, 59704, 337751, 675502, 1351004, 2702008, 5741767, 11483534, 22967068, 45934136, 148272689, 296545378, 593090756, 1186181512, 2520635713, 5041271426, 10082542852, 20165085704]

約数ペア:

[(1, 20165085704), (2, 10082542852), (4, 5041271426), (8, 2520635713), (17, 1186181512), (34, 593090756), (68, 296545378), (136, 148272689), (439, 45934136), (878, 22967068), (1756, 11483534), (3512, 5741767), (7463, 2702008), (14926, 1351004), (29852, 675502), (59704, 337751)]