20434178

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{1103}}^1$

素因数の和:1321

約数の個数: 16

約数和(自身を含む): 31397760

約数和(自身を除く): 10963582

約数列:

[1, 2, 59, 118, 157, 314, 1103, 2206, 9263, 18526, 65077, 130154, 173171, 346342, 10217089, 20434178]

約数ペア:

[(1, 20434178), (2, 10217089), (59, 346342), (118, 173171), (157, 130154), (314, 65077), (1103, 18526), (2206, 9263)]