20417982

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3907}}^1$

素因数の和:3992

約数の個数: 32

約数和(自身を含む): 44644992

約数和(自身を除く): 24227010

約数列:

[1, 2, 3, 6, 13, 26, 39, 67, 78, 134, 201, 402, 871, 1742, 2613, 3907, 5226, 7814, 11721, 23442, 50791, 101582, 152373, 261769, 304746, 523538, 785307, 1570614, 3402997, 6805994, 10208991, 20417982]

約数ペア:

[(1, 20417982), (2, 10208991), (3, 6805994), (6, 3402997), (13, 1570614), (26, 785307), (39, 523538), (67, 304746), (78, 261769), (134, 152373), (201, 101582), (402, 50791), (871, 23442), (1742, 11721), (2613, 7814), (3907, 5226)]