20193231

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{1669}}^1$

素因数の和:1818

約数の個数: 16

約数和(自身を含む): 27922400

約数和(自身を除く): 7729169

約数列:

[1, 3, 37, 109, 111, 327, 1669, 4033, 5007, 12099, 61753, 181921, 185259, 545763, 6731077, 20193231]

約数ペア:

[(1, 20193231), (3, 6731077), (37, 545763), (109, 185259), (111, 181921), (327, 61753), (1669, 12099), (4033, 5007)]