20107658

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{1613}}^1$

素因数の和:1909

約数の個数: 16

約数和(自身を含む): 31608576

約数和(自身を除く): 11500918

約数列:

[1, 2, 23, 46, 271, 542, 1613, 3226, 6233, 12466, 37099, 74198, 437123, 874246, 10053829, 20107658]

約数ペア:

[(1, 20107658), (2, 10053829), (23, 874246), (46, 437123), (271, 74198), (542, 37099), (1613, 12466), (3226, 6233)]