20670028

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{1543}}^1$

素因数の和:1761

約数の個数: 24

約数和(自身を含む): 38519712

約数和(自身を除く): 17849684

約数列:

[1, 2, 4, 17, 34, 68, 197, 394, 788, 1543, 3086, 3349, 6172, 6698, 13396, 26231, 52462, 104924, 303971, 607942, 1215884, 5167507, 10335014, 20670028]

約数ペア:

[(1, 20670028), (2, 10335014), (4, 5167507), (17, 1215884), (34, 607942), (68, 303971), (197, 104924), (394, 52462), (788, 26231), (1543, 13396), (3086, 6698), (3349, 6172)]