131436020

素因数分解:

$2^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{18617}}^1$

素因数の和:18979

約数の個数: 24

約数和(自身を含む): 276812424

約数和(自身を除く): 145376404

約数列:

[1, 2, 4, 5, 10, 20, 353, 706, 1412, 1765, 3530, 7060, 18617, 37234, 74468, 93085, 186170, 372340, 6571801, 13143602, 26287204, 32859005, 65718010, 131436020]

約数ペア:

[(1, 131436020), (2, 65718010), (4, 32859005), (5, 26287204), (10, 13143602), (20, 6571801), (353, 372340), (706, 186170), (1412, 93085), (1765, 74468), (3530, 37234), (7060, 18617)]