20004761

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1621}}^1$

素因数の和:1712

約数の個数: 16

約数和(自身を含む): 23979648

約数和(自身を除く): 3974887

約数列:

[1, 7, 41, 43, 287, 301, 1621, 1763, 11347, 12341, 66461, 69703, 465227, 487921, 2857823, 20004761]

約数ペア:

[(1, 20004761), (7, 2857823), (41, 487921), (43, 465227), (287, 69703), (301, 66461), (1621, 12341), (1763, 11347)]