20379401

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{337}}^1$

素因数の和:560

約数の個数: 16

約数和(自身を含む): 23946624

約数和(自身を除く): 3567223

約数列:

[1, 7, 53, 163, 337, 371, 1141, 2359, 8639, 17861, 54931, 60473, 125027, 384517, 2911343, 20379401]

約数ペア:

[(1, 20379401), (7, 2911343), (53, 384517), (163, 125027), (337, 60473), (371, 54931), (1141, 17861), (2359, 8639)]