20495189

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{433}}^1$

素因数の和:788

約数の個数: 16

約数和(自身を含む): 24206784

約数和(自身を除く): 3711595

約数列:

[1, 11, 13, 143, 331, 433, 3641, 4303, 4763, 5629, 47333, 61919, 143323, 1576553, 1863199, 20495189]

約数ペア:

[(1, 20495189), (11, 1863199), (13, 1576553), (143, 143323), (331, 61919), (433, 47333), (3641, 5629), (4303, 4763)]