20217882710

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1543}}^1\times {\mathrm{68963}}^1$

素因数の和:70532

約数の個数: 32

約数和(自身を含む): 38332949760

約数和(自身を除く): 18115067050

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 1543, 3086, 7715, 15430, 29317, 58634, 68963, 137926, 146585, 293170, 344815, 689630, 1310297, 2620594, 6551485, 13102970, 106409909, 212819818, 532049545, 1064099090, 2021788271, 4043576542, 10108941355, 20217882710]

約数ペア:

[(1, 20217882710), (2, 10108941355), (5, 4043576542), (10, 2021788271), (19, 1064099090), (38, 532049545), (95, 212819818), (190, 106409909), (1543, 13102970), (3086, 6551485), (7715, 2620594), (15430, 1310297), (29317, 689630), (58634, 344815), (68963, 293170), (137926, 146585)]