20520342

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2069}}^1$

素因数の和:2125

約数の個数: 48

約数和(自身を含む): 48438000

約数和(自身を除く): 27917658

約数列:

[1, 2, 3, 6, 9, 18, 19, 29, 38, 57, 58, 87, 114, 171, 174, 261, 342, 522, 551, 1102, 1653, 2069, 3306, 4138, 4959, 6207, 9918, 12414, 18621, 37242, 39311, 60001, 78622, 117933, 120002, 180003, 235866, 353799, 360006, 540009, 707598, 1080018, 1140019, 2280038, 3420057, 6840114, 10260171, 20520342]

約数ペア:

[(1, 20520342), (2, 10260171), (3, 6840114), (6, 3420057), (9, 2280038), (18, 1140019), (19, 1080018), (29, 707598), (38, 540009), (57, 360006), (58, 353799), (87, 235866), (114, 180003), (171, 120002), (174, 117933), (261, 78622), (342, 60001), (522, 39311), (551, 37242), (1102, 18621), (1653, 12414), (2069, 9918), (3306, 6207), (4138, 4959)]