20385130

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{337}}^1$

素因数の和:630

約数の個数: 32

約数和(自身を含む): 38548224

約数和(自身を除く): 18163094

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 263, 337, 526, 674, 1315, 1685, 2630, 3370, 6049, 7751, 12098, 15502, 30245, 38755, 60490, 77510, 88631, 177262, 443155, 886310, 2038513, 4077026, 10192565, 20385130]

約数ペア:

[(1, 20385130), (2, 10192565), (5, 4077026), (10, 2038513), (23, 886310), (46, 443155), (115, 177262), (230, 88631), (263, 77510), (337, 60490), (526, 38755), (674, 30245), (1315, 15502), (1685, 12098), (2630, 7751), (3370, 6049)]