20247955

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{44501}}^1$

素因数の和:44526

約数の個数: 16

約数和(自身を含む): 29905344

約数和(自身を除く): 9657389

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 44501, 222505, 311507, 578513, 1557535, 2892565, 4049591, 20247955]

約数ペア:

[(1, 20247955), (5, 4049591), (7, 2892565), (13, 1557535), (35, 578513), (65, 311507), (91, 222505), (455, 44501)]