20491186

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1\times {\mathrm{947}}^1$

素因数の和:1329

約数の個数: 16

約数和(自身を含む): 31852800

約数和(自身を除く): 11361614

約数列:

[1, 2, 31, 62, 349, 698, 947, 1894, 10819, 21638, 29357, 58714, 330503, 661006, 10245593, 20491186]

約数ペア:

[(1, 20491186), (2, 10245593), (31, 661006), (62, 330503), (349, 58714), (698, 29357), (947, 21638), (1894, 10819)]