20731298

素因数分解:

$2^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{4243}}^1$

素因数の和:4601

約数の個数: 16

約数和(自身を含む): 35649600

約数和(自身を除く): 14918302

約数列:

[1, 2, 7, 14, 349, 698, 2443, 4243, 4886, 8486, 29701, 59402, 1480807, 2961614, 10365649, 20731298]

約数ペア:

[(1, 20731298), (2, 10365649), (7, 2961614), (14, 1480807), (349, 59402), (698, 29701), (2443, 8486), (4243, 4886)]