20808536665

素因数分解:

$5^1\times 7^1\times {\mathrm{4463}}^1\times {\mathrm{133213}}^1$

素因数の和:137688

約数の個数: 16

約数和(自身を含む): 28544030208

約数和(自身を除く): 7735493543

約数列:

[1, 5, 7, 35, 4463, 22315, 31241, 133213, 156205, 666065, 932491, 4662455, 594529619, 2972648095, 4161707333, 20808536665]

約数ペア:

[(1, 20808536665), (5, 4161707333), (7, 2972648095), (35, 594529619), (4463, 4662455), (22315, 932491), (31241, 666065), (133213, 156205)]