20870542

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{2297}}^1$

素因数の和:2376

約数の個数: 32

約数和(自身を含む): 39709440

約数和(自身を除く): 18838898

約数列:

[1, 2, 7, 11, 14, 22, 59, 77, 118, 154, 413, 649, 826, 1298, 2297, 4543, 4594, 9086, 16079, 25267, 32158, 50534, 135523, 176869, 271046, 353738, 948661, 1490753, 1897322, 2981506, 10435271, 20870542]

約数ペア:

[(1, 20870542), (2, 10435271), (7, 2981506), (11, 1897322), (14, 1490753), (22, 948661), (59, 353738), (77, 271046), (118, 176869), (154, 135523), (413, 50534), (649, 32158), (826, 25267), (1298, 16079), (2297, 9086), (4543, 4594)]