20865914

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{17713}}^1$

素因数の和:17765

約数の個数: 16

約数和(自身を含む): 34010880

約数和(自身を除く): 13144966

約数列:

[1, 2, 19, 31, 38, 62, 589, 1178, 17713, 35426, 336547, 549103, 673094, 1098206, 10432957, 20865914]

約数ペア:

[(1, 20865914), (2, 10432957), (19, 1098206), (31, 673094), (38, 549103), (62, 336547), (589, 35426), (1178, 17713)]