20466439

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{4159}}^1$

素因数の和:4222

約数の個数: 16

約数和(自身を含む): 25292800

約数和(自身を除く): 4826361

約数列:

[1, 7, 19, 37, 133, 259, 703, 4159, 4921, 29113, 79021, 153883, 553147, 1077181, 2923777, 20466439]

約数ペア:

[(1, 20466439), (7, 2923777), (19, 1077181), (37, 553147), (133, 153883), (259, 79021), (703, 29113), (4159, 4921)]