201943930660

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{61945991}}^1$

素因数の和:61946163

約数の個数: 24

約数和(自身を含む): 426683992896

約数和(自身を除く): 224740062236

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 61945991, 123891982, 247783964, 309729955, 619459910, 1238919820, 10097196533, 20194393066, 40388786132, 50485982665, 100971965330, 201943930660]

約数ペア:

[(1, 201943930660), (2, 100971965330), (4, 50485982665), (5, 40388786132), (10, 20194393066), (20, 10097196533), (163, 1238919820), (326, 619459910), (652, 309729955), (815, 247783964), (1630, 123891982), (3260, 61945991)]