20123323775

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{3049}}^1$

素因数の和:3284

約数の個数: 48

約数和(自身を含む): 26304566400

約数和(自身を除く): 6181242625

約数列:

[1, 5, 25, 41, 47, 137, 205, 235, 685, 1025, 1175, 1927, 3049, 3425, 5617, 6439, 9635, 15245, 28085, 32195, 48175, 76225, 125009, 140425, 143303, 160975, 263999, 417713, 625045, 716515, 1319995, 2088565, 3125225, 3582575, 5875423, 6599975, 10442825, 17126233, 19632511, 29377115, 85631165, 98162555, 146885575, 428155825, 490812775, 804932951, 4024664755, 20123323775]

約数ペア:

[(1, 20123323775), (5, 4024664755), (25, 804932951), (41, 490812775), (47, 428155825), (137, 146885575), (205, 98162555), (235, 85631165), (685, 29377115), (1025, 19632511), (1175, 17126233), (1927, 10442825), (3049, 6599975), (3425, 5875423), (5617, 3582575), (6439, 3125225), (9635, 2088565), (15245, 1319995), (28085, 716515), (32195, 625045), (48175, 417713), (76225, 263999), (125009, 160975), (140425, 143303)]