20407904

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{57977}}^1$

素因数の和:57998

約数の個数: 24

約数和(自身を含む): 43831368

約数和(自身を除く): 23423464

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 352, 57977, 115954, 231908, 463816, 637747, 927632, 1275494, 1855264, 2550988, 5101976, 10203952, 20407904]

約数ペア:

[(1, 20407904), (2, 10203952), (4, 5101976), (8, 2550988), (11, 1855264), (16, 1275494), (22, 927632), (32, 637747), (44, 463816), (88, 231908), (176, 115954), (352, 57977)]