20871313678

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{5631763}}^1$

素因数の和:5631891

約数の個数: 16

約数和(自身を含む): 33452678160

約数和(自身を除く): 12581364482

約数列:

[1, 2, 17, 34, 109, 218, 1853, 3706, 5631763, 11263526, 95739971, 191479942, 613862167, 1227724334, 10435656839, 20871313678]

約数ペア:

[(1, 20871313678), (2, 10435656839), (17, 1227724334), (34, 613862167), (109, 191479942), (218, 95739971), (1853, 11263526), (3706, 5631763)]