20172800732

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{463}}^1\times {\mathrm{19697}}^1$

素因数の和:20250

約数の個数: 48

約数和(自身を含む): 40946626560

約数和(自身を除く): 20773825828

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 463, 553, 926, 1106, 1852, 2212, 3241, 6482, 12964, 19697, 36577, 39394, 73154, 78788, 137879, 146308, 256039, 275758, 512078, 551516, 1024156, 1556063, 3112126, 6224252, 9119711, 10892441, 18239422, 21784882, 36478844, 43569764, 63837977, 127675954, 255351908, 720457169, 1440914338, 2881828676, 5043200183, 10086400366, 20172800732]

約数ペア:

[(1, 20172800732), (2, 10086400366), (4, 5043200183), (7, 2881828676), (14, 1440914338), (28, 720457169), (79, 255351908), (158, 127675954), (316, 63837977), (463, 43569764), (553, 36478844), (926, 21784882), (1106, 18239422), (1852, 10892441), (2212, 9119711), (3241, 6224252), (6482, 3112126), (12964, 1556063), (19697, 1024156), (36577, 551516), (39394, 512078), (73154, 275758), (78788, 256039), (137879, 146308)]