20380130

素因数分解:

$2^1\times 5^1\times {\mathrm{653}}^1\times {\mathrm{3121}}^1$

素因数の和:3781

約数の個数: 16

約数和(自身を含む): 36752184

約数和(自身を除く): 16372054

約数列:

[1, 2, 5, 10, 653, 1306, 3121, 3265, 6242, 6530, 15605, 31210, 2038013, 4076026, 10190065, 20380130]

約数ペア:

[(1, 20380130), (2, 10190065), (5, 4076026), (10, 2038013), (653, 31210), (1306, 15605), (3121, 6530), (3265, 6242)]