2020123557

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1$

素因数の和:472

約数の個数: 80

約数和(自身を含む): 3293136000

約数和(自身を除く): 1273012443

約数列:

[1, 3, 9, 23, 27, 29, 69, 81, 87, 139, 207, 261, 269, 417, 621, 667, 783, 807, 1251, 1863, 2001, 2349, 2421, 3197, 3753, 4031, 6003, 6187, 7263, 7801, 9591, 11259, 12093, 18009, 18561, 21789, 23403, 28773, 36279, 37391, 54027, 55683, 70209, 86319, 92713, 108837, 112173, 167049, 179423, 210627, 258957, 278139, 326511, 336519, 501147, 538269, 631881, 834417, 859993, 1009557, 1084339, 1614807, 2503251, 2579979, 3028671, 3253017, 4844421, 7509753, 7739937, 9759051, 14533263, 23219811, 24939797, 29277153, 69659433, 74819391, 87831459, 224458173, 673374519, 2020123557]

約数ペア:

[(1, 2020123557), (3, 673374519), (9, 224458173), (23, 87831459), (27, 74819391), (29, 69659433), (69, 29277153), (81, 24939797), (87, 23219811), (139, 14533263), (207, 9759051), (261, 7739937), (269, 7509753), (417, 4844421), (621, 3253017), (667, 3028671), (783, 2579979), (807, 2503251), (1251, 1614807), (1863, 1084339), (2001, 1009557), (2349, 859993), (2421, 834417), (3197, 631881), (3753, 538269), (4031, 501147), (6003, 336519), (6187, 326511), (7263, 278139), (7801, 258957), (9591, 210627), (11259, 179423), (12093, 167049), (18009, 112173), (18561, 108837), (21789, 92713), (23403, 86319), (28773, 70209), (36279, 55683), (37391, 54027)]