20398496

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{20563}}^1$

素因数の和:20604

約数の個数: 24

約数和(自身を含む): 41457024

約数和(自身を除く): 21058528

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 992, 20563, 41126, 82252, 164504, 329008, 637453, 658016, 1274906, 2549812, 5099624, 10199248, 20398496]

約数ペア:

[(1, 20398496), (2, 10199248), (4, 5099624), (8, 2549812), (16, 1274906), (31, 658016), (32, 637453), (62, 329008), (124, 164504), (248, 82252), (496, 41126), (992, 20563)]