20161208528

素因数分解:

$2^4\times {\mathrm{401}}^1\times {\mathrm{3142333}}^1$

素因数の和:3142742

約数の個数: 20

約数和(自身を含む): 39159766308

約数和(自身を除く): 18998557780

約数列:

[1, 2, 4, 8, 16, 401, 802, 1604, 3208, 6416, 3142333, 6284666, 12569332, 25138664, 50277328, 1260075533, 2520151066, 5040302132, 10080604264, 20161208528]

約数ペア:

[(1, 20161208528), (2, 10080604264), (4, 5040302132), (8, 2520151066), (16, 1260075533), (401, 50277328), (802, 25138664), (1604, 12569332), (3208, 6284666), (6416, 3142333)]