20479726

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1\times {\mathrm{881}}^1$

素因数の和:1139

約数の個数: 16

約数和(自身を含む): 31434480

約数和(自身を除く): 10954754

約数列:

[1, 2, 59, 118, 197, 394, 881, 1762, 11623, 23246, 51979, 103958, 173557, 347114, 10239863, 20479726]

約数ペア:

[(1, 20479726), (2, 10239863), (59, 347114), (118, 173557), (197, 103958), (394, 51979), (881, 23246), (1762, 11623)]