20282002

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{10987}}^1$

素因数の和:11073

約数の個数: 16

約数和(自身を含む): 33227712

約数和(自身を除く): 12945710

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 10987, 21974, 142831, 285662, 780077, 1560154, 10141001, 20282002]

約数ペア:

[(1, 20282002), (2, 10141001), (13, 1560154), (26, 780077), (71, 285662), (142, 142831), (923, 21974), (1846, 10987)]