20161023580

素因数分解:

$2^2\times 5^1\times {\mathrm{797}}^1\times {\mathrm{1264807}}^1$

素因数の和:1265613

約数の個数: 24

約数和(自身を含む): 42391304928

約数和(自身を除く): 22230281348

約数列:

[1, 2, 4, 5, 10, 20, 797, 1594, 3188, 3985, 7970, 15940, 1264807, 2529614, 5059228, 6324035, 12648070, 25296140, 1008051179, 2016102358, 4032204716, 5040255895, 10080511790, 20161023580]

約数ペア:

[(1, 20161023580), (2, 10080511790), (4, 5040255895), (5, 4032204716), (10, 2016102358), (20, 1008051179), (797, 25296140), (1594, 12648070), (3188, 6324035), (3985, 5059228), (7970, 2529614), (15940, 1264807)]