20528035138

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{966389}}^1$

素因数の和:966466

約数の個数: 32

約数和(自身を含む): 35717774400

約数和(自身を除く): 15189739262

約数列:

[1, 2, 13, 19, 26, 38, 43, 86, 247, 494, 559, 817, 1118, 1634, 10621, 21242, 966389, 1932778, 12563057, 18361391, 25126114, 36722782, 41554727, 83109454, 238698083, 477396166, 540211451, 789539813, 1080422902, 1579079626, 10264017569, 20528035138]

約数ペア:

[(1, 20528035138), (2, 10264017569), (13, 1579079626), (19, 1080422902), (26, 789539813), (38, 540211451), (43, 477396166), (86, 238698083), (247, 83109454), (494, 41554727), (559, 36722782), (817, 25126114), (1118, 18361391), (1634, 12563057), (10621, 1932778), (21242, 966389)]