20123909911

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{1439}}^1\times {\mathrm{6961}}^1$

素因数の和:8455

約数の個数: 24

約数和(自身を含む): 24000520320

約数和(自身を除く): 3876610409

約数列:

[1, 7, 41, 49, 287, 1439, 2009, 6961, 10073, 48727, 58999, 70511, 285401, 341089, 412993, 1997807, 2890951, 10016879, 13984649, 70118153, 410692039, 490827071, 2874844273, 20123909911]

約数ペア:

[(1, 20123909911), (7, 2874844273), (41, 490827071), (49, 410692039), (287, 70118153), (1439, 13984649), (2009, 10016879), (6961, 2890951), (10073, 1997807), (48727, 412993), (58999, 341089), (70511, 285401)]