20155952

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{40637}}^1$

素因数の和:40676

約数の個数: 20

約数和(自身を含む): 40312896

約数和(自身を除く): 20156944

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 40637, 81274, 162548, 325096, 650192, 1259747, 2519494, 5038988, 10077976, 20155952]

約数ペア:

[(1, 20155952), (2, 10077976), (4, 5038988), (8, 2519494), (16, 1259747), (31, 650192), (62, 325096), (124, 162548), (248, 81274), (496, 40637)]