20559074

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{3919}}^1$

素因数の和:4025

約数の個数: 16

約数和(自身を含む): 32081280

約数和(自身を除く): 11522206

約数列:

[1, 2, 43, 61, 86, 122, 2623, 3919, 5246, 7838, 168517, 239059, 337034, 478118, 10279537, 20559074]

約数ペア:

[(1, 20559074), (2, 10279537), (43, 478118), (61, 337034), (86, 239059), (122, 168517), (2623, 7838), (3919, 5246)]