20161432208

素因数分解:

$2^4\times {\mathrm{397}}^1\times {\mathrm{3174029}}^1$

素因数の和:3174434

約数の個数: 20

約数和(自身を含む): 39161182140

約数和(自身を除く): 18999749932

約数列:

[1, 2, 4, 8, 16, 397, 794, 1588, 3176, 6352, 3174029, 6348058, 12696116, 25392232, 50784464, 1260089513, 2520179026, 5040358052, 10080716104, 20161432208]

約数ペア:

[(1, 20161432208), (2, 10080716104), (4, 5040358052), (8, 2520179026), (16, 1260089513), (397, 50784464), (794, 25392232), (1588, 12696116), (3176, 6348058), (6352, 3174029)]