20145784

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{81233}}^1$

素因数の和:81270

約数の個数: 16

約数和(自身を含む): 38992320

約数和(自身を除く): 18846536

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 81233, 162466, 324932, 649864, 2518223, 5036446, 10072892, 20145784]

約数ペア:

[(1, 20145784), (2, 10072892), (4, 5036446), (8, 2518223), (31, 649864), (62, 324932), (124, 162466), (248, 81233)]