20154787492

素因数分解:

$2^2\times 7^1\times {\mathrm{3517}}^1\times {\mathrm{204667}}^1$

素因数の和:208195

約数の個数: 24

約数和(自身を含む): 40321233344

約数和(自身を除く): 20166445852

約数列:

[1, 2, 4, 7, 14, 28, 3517, 7034, 14068, 24619, 49238, 98476, 204667, 409334, 818668, 1432669, 2865338, 5730676, 719813839, 1439627678, 2879255356, 5038696873, 10077393746, 20154787492]

約数ペア:

[(1, 20154787492), (2, 10077393746), (4, 5038696873), (7, 2879255356), (14, 1439627678), (28, 719813839), (3517, 5730676), (7034, 2865338), (14068, 1432669), (24619, 818668), (49238, 409334), (98476, 204667)]