20538718

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{1447}}^1$

素因数の和:1647

約数の個数: 16

約数和(自身を含む): 31693824

約数和(自身を除く): 11155106

約数列:

[1, 2, 47, 94, 151, 302, 1447, 2894, 7097, 14194, 68009, 136018, 218497, 436994, 10269359, 20538718]

約数ペア:

[(1, 20538718), (2, 10269359), (47, 436994), (94, 218497), (151, 136018), (302, 68009), (1447, 14194), (2894, 7097)]