20830065

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{349}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 35078400

約数和(自身を除く): 14248335

約数列:

[1, 3, 5, 15, 23, 69, 115, 173, 345, 349, 519, 865, 1047, 1745, 2595, 3979, 5235, 8027, 11937, 19895, 24081, 40135, 59685, 60377, 120405, 181131, 301885, 905655, 1388671, 4166013, 6943355, 20830065]

約数ペア:

[(1, 20830065), (3, 6943355), (5, 4166013), (15, 1388671), (23, 905655), (69, 301885), (115, 181131), (173, 120405), (345, 60377), (349, 59685), (519, 40135), (865, 24081), (1047, 19895), (1745, 11937), (2595, 8027), (3979, 5235)]