20797752992

素因数分解:

$2^5\times {\mathrm{59}}^1\times {\mathrm{137}}^1\times {\mathrm{80407}}^1$

素因数の和:80613

約数の個数: 48

約数和(自身を含む): 41944029120

約数和(自身を除く): 21146276128

約数列:

[1, 2, 4, 8, 16, 32, 59, 118, 137, 236, 274, 472, 548, 944, 1096, 1888, 2192, 4384, 8083, 16166, 32332, 64664, 80407, 129328, 160814, 258656, 321628, 643256, 1286512, 2573024, 4744013, 9488026, 11015759, 18976052, 22031518, 37952104, 44063036, 75904208, 88126072, 151808416, 176252144, 352504288, 649929781, 1299859562, 2599719124, 5199438248, 10398876496, 20797752992]

約数ペア:

[(1, 20797752992), (2, 10398876496), (4, 5199438248), (8, 2599719124), (16, 1299859562), (32, 649929781), (59, 352504288), (118, 176252144), (137, 151808416), (236, 88126072), (274, 75904208), (472, 44063036), (548, 37952104), (944, 22031518), (1096, 18976052), (1888, 11015759), (2192, 9488026), (4384, 4744013), (8083, 2573024), (16166, 1286512), (32332, 643256), (64664, 321628), (80407, 258656), (129328, 160814)]