20930256

素因数分解:

$2^4\times 3^2\times {\mathrm{145349}}^1$

素因数の和:145363

約数の個数: 30

約数和(自身を含む): 58576050

約数和(自身を除く): 37645794

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 145349, 290698, 436047, 581396, 872094, 1162792, 1308141, 1744188, 2325584, 2616282, 3488376, 5232564, 6976752, 10465128, 20930256]

約数ペア:

[(1, 20930256), (2, 10465128), (3, 6976752), (4, 5232564), (6, 3488376), (8, 2616282), (9, 2325584), (12, 1744188), (16, 1308141), (18, 1162792), (24, 872094), (36, 581396), (48, 436047), (72, 290698), (144, 145349)]