20237685

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1549}}^1$

素因数の和:1637

約数の個数: 32

約数和(自身を含む): 35414400

約数和(自身を除く): 15176715

約数列:

[1, 3, 5, 13, 15, 39, 65, 67, 195, 201, 335, 871, 1005, 1549, 2613, 4355, 4647, 7745, 13065, 20137, 23235, 60411, 100685, 103783, 302055, 311349, 518915, 1349179, 1556745, 4047537, 6745895, 20237685]

約数ペア:

[(1, 20237685), (3, 6745895), (5, 4047537), (13, 1556745), (15, 1349179), (39, 518915), (65, 311349), (67, 302055), (195, 103783), (201, 100685), (335, 60411), (871, 23235), (1005, 20137), (1549, 13065), (2613, 7745), (4355, 4647)]