201620779420

素因数分解:

$2^2\times 5^1\times {\mathrm{2791}}^1\times {\mathrm{3611981}}^1$

素因数の和:3614781

約数の個数: 24

約数和(自身を含む): 423555457248

約数和(自身を除く): 221934677828

約数列:

[1, 2, 4, 5, 10, 20, 2791, 5582, 11164, 13955, 27910, 55820, 3611981, 7223962, 14447924, 18059905, 36119810, 72239620, 10081038971, 20162077942, 40324155884, 50405194855, 100810389710, 201620779420]

約数ペア:

[(1, 201620779420), (2, 100810389710), (4, 50405194855), (5, 40324155884), (10, 20162077942), (20, 10081038971), (2791, 72239620), (5582, 36119810), (11164, 18059905), (13955, 14447924), (27910, 7223962), (55820, 3611981)]