20402414938

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1\times {\mathrm{519119}}^1$

素因数の和:519621

約数の個数: 16

約数和(自身を含む): 31383918720

約数和(自身を除く): 10981503782

約数列:

[1, 2, 43, 86, 457, 914, 19651, 39302, 519119, 1038238, 22322117, 44644234, 237237383, 474474766, 10201207469, 20402414938]

約数ペア:

[(1, 20402414938), (2, 10201207469), (43, 474474766), (86, 237237383), (457, 44644234), (914, 22322117), (19651, 1038238), (39302, 519119)]