20153338

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:270

約数の個数: 32

約数和(自身を含む): 33048000

約数和(自身を除く): 12894662

約数列:

[1, 2, 19, 38, 59, 89, 101, 118, 178, 202, 1121, 1691, 1919, 2242, 3382, 3838, 5251, 5959, 8989, 10502, 11918, 17978, 99769, 113221, 170791, 199538, 226442, 341582, 530351, 1060702, 10076669, 20153338]

約数ペア:

[(1, 20153338), (2, 10076669), (19, 1060702), (38, 530351), (59, 341582), (89, 226442), (101, 199538), (118, 170791), (178, 113221), (202, 99769), (1121, 17978), (1691, 11918), (1919, 10502), (2242, 8989), (3382, 5959), (3838, 5251)]