201320201663

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{1693}}^1\times {\mathrm{320521}}^1$

素因数の和:322274

約数の個数: 16

約数和(自身を含む): 234560563776

約数和(自身を除く): 33240362113

約数列:

[1, 7, 53, 371, 1693, 11851, 89729, 320521, 628103, 2243647, 16987613, 118913291, 542642053, 3798494371, 28760028809, 201320201663]

約数ペア:

[(1, 201320201663), (7, 28760028809), (53, 3798494371), (371, 542642053), (1693, 118913291), (11851, 16987613), (89729, 2243647), (320521, 628103)]