20808613746

素因数分解:

$2^1\times 3^4\times {\mathrm{79}}^1\times {\mathrm{1625927}}^1$

素因数の和:1626020

約数の個数: 40

約数和(自身を含む): 47216949120

約数和(自身を除く): 26408335374

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 79, 81, 158, 162, 237, 474, 711, 1422, 2133, 4266, 6399, 12798, 1625927, 3251854, 4877781, 9755562, 14633343, 29266686, 43900029, 87800058, 128448233, 131700087, 256896466, 263400174, 385344699, 770689398, 1156034097, 2312068194, 3468102291, 6936204582, 10404306873, 20808613746]

約数ペア:

[(1, 20808613746), (2, 10404306873), (3, 6936204582), (6, 3468102291), (9, 2312068194), (18, 1156034097), (27, 770689398), (54, 385344699), (79, 263400174), (81, 256896466), (158, 131700087), (162, 128448233), (237, 87800058), (474, 43900029), (711, 29266686), (1422, 14633343), (2133, 9755562), (4266, 4877781), (6399, 3251854), (12798, 1625927)]