20147401918

素因数分解:

$2^1\times 7^1\times {\mathrm{6491}}^1\times {\mathrm{221707}}^1$

素因数の和:228207

約数の個数: 16

約数和(自身を含む): 34543880064

約数和(自身を除く): 14396478146

約数列:

[1, 2, 7, 14, 6491, 12982, 45437, 90874, 221707, 443414, 1551949, 3103898, 1439100137, 2878200274, 10073700959, 20147401918]

約数ペア:

[(1, 20147401918), (2, 10073700959), (7, 2878200274), (14, 1439100137), (6491, 3103898), (12982, 1551949), (45437, 443414), (90874, 221707)]