20148719620

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{277}}^1\times {\mathrm{27763}}^1$

素因数の和:28180

約数の個数: 48

約数和(自身を含む): 42790765248

約数和(自身を除く): 22642045628

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 277, 524, 554, 655, 1108, 1310, 1385, 2620, 2770, 5540, 27763, 36287, 55526, 72574, 111052, 138815, 145148, 181435, 277630, 362870, 555260, 725740, 3636953, 7273906, 7690351, 14547812, 15380702, 18184765, 30761404, 36369530, 38451755, 72739060, 76903510, 153807020, 1007435981, 2014871962, 4029743924, 5037179905, 10074359810, 20148719620]

約数ペア:

[(1, 20148719620), (2, 10074359810), (4, 5037179905), (5, 4029743924), (10, 2014871962), (20, 1007435981), (131, 153807020), (262, 76903510), (277, 72739060), (524, 38451755), (554, 36369530), (655, 30761404), (1108, 18184765), (1310, 15380702), (1385, 14547812), (2620, 7690351), (2770, 7273906), (5540, 3636953), (27763, 725740), (36287, 555260), (55526, 362870), (72574, 277630), (111052, 181435), (138815, 145148)]