20198230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{155371}}^1$

素因数の和:155391

約数の個数: 16

約数和(自身を含む): 39153744

約数和(自身を除く): 18955514

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 155371, 310742, 776855, 1553710, 2019823, 4039646, 10099115, 20198230]

約数ペア:

[(1, 20198230), (2, 10099115), (5, 4039646), (10, 2019823), (13, 1553710), (26, 776855), (65, 310742), (130, 155371)]