20199974

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{283}}^1\times {\mathrm{401}}^1$

素因数の和:775

約数の個数: 16

約数和(自身を含む): 30825360

約数和(自身を除く): 10625386

約数列:

[1, 2, 89, 178, 283, 401, 566, 802, 25187, 35689, 50374, 71378, 113483, 226966, 10099987, 20199974]

約数ペア:

[(1, 20199974), (2, 10099987), (89, 226966), (178, 113483), (283, 71378), (401, 50374), (566, 35689), (802, 25187)]