20153091

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{953}}^1$

素因数の和:1035

約数の個数: 32

約数和(自身を含む): 32970240

約数和(自身を除く): 12817149

約数列:

[1, 3, 7, 19, 21, 53, 57, 133, 159, 371, 399, 953, 1007, 1113, 2859, 3021, 6671, 7049, 18107, 20013, 21147, 50509, 54321, 126749, 151527, 353563, 380247, 959671, 1060689, 2879013, 6717697, 20153091]

約数ペア:

[(1, 20153091), (3, 6717697), (7, 2879013), (19, 1060689), (21, 959671), (53, 380247), (57, 353563), (133, 151527), (159, 126749), (371, 54321), (399, 50509), (953, 21147), (1007, 20013), (1113, 18107), (2859, 7049), (3021, 6671)]