20130967675

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{7307}}^1$

素因数の和:7517

約数の個数: 72

約数和(自身を含む): 31456642896

約数和(自身を除く): 11325675221

約数列:

[1, 5, 7, 13, 25, 35, 49, 65, 91, 173, 175, 245, 325, 455, 637, 865, 1211, 1225, 2249, 2275, 3185, 4325, 6055, 7307, 8477, 11245, 15743, 15925, 30275, 36535, 42385, 51149, 56225, 78715, 94991, 110201, 182675, 211925, 255745, 358043, 393575, 474955, 551005, 664937, 1264111, 1278725, 1790215, 2374775, 2755025, 3324685, 4654559, 6320555, 8848777, 8951075, 16433443, 16623425, 23272795, 31602775, 44243885, 61941439, 82167215, 115034101, 116363975, 221219425, 309707195, 410836075, 575170505, 805238707, 1548535975, 2875852525, 4026193535, 20130967675]

約数ペア:

[(1, 20130967675), (5, 4026193535), (7, 2875852525), (13, 1548535975), (25, 805238707), (35, 575170505), (49, 410836075), (65, 309707195), (91, 221219425), (173, 116363975), (175, 115034101), (245, 82167215), (325, 61941439), (455, 44243885), (637, 31602775), (865, 23272795), (1211, 16623425), (1225, 16433443), (2249, 8951075), (2275, 8848777), (3185, 6320555), (4325, 4654559), (6055, 3324685), (7307, 2755025), (8477, 2374775), (11245, 1790215), (15743, 1278725), (15925, 1264111), (30275, 664937), (36535, 551005), (42385, 474955), (51149, 393575), (56225, 358043), (78715, 255745), (94991, 211925), (110201, 182675)]