20218448

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{40763}}^1$

素因数の和:40802

約数の個数: 20

約数和(自身を含む): 40437888

約数和(自身を除く): 20219440

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 40763, 81526, 163052, 326104, 652208, 1263653, 2527306, 5054612, 10109224, 20218448]

約数ペア:

[(1, 20218448), (2, 10109224), (4, 5054612), (8, 2527306), (16, 1263653), (31, 652208), (62, 326104), (124, 163052), (248, 81526), (496, 40763)]