20687886

素因数分解:

$2^1\times 3^4\times {\mathrm{127703}}^1$

素因数の和:127717

約数の個数: 20

約数和(自身を含む): 46356552

約数和(自身を除く): 25668666

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 127703, 255406, 383109, 766218, 1149327, 2298654, 3447981, 6895962, 10343943, 20687886]

約数ペア:

[(1, 20687886), (2, 10343943), (3, 6895962), (6, 3447981), (9, 2298654), (18, 1149327), (27, 766218), (54, 383109), (81, 255406), (162, 127703)]