20559292

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20809}}^1$

素因数の和:20845

約数の個数: 24

約数和(自身を含む): 40787600

約数和(自身を除く): 20228308

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 20809, 41618, 83236, 270517, 395371, 541034, 790742, 1082068, 1581484, 5139823, 10279646, 20559292]

約数ペア:

[(1, 20559292), (2, 10279646), (4, 5139823), (13, 1581484), (19, 1082068), (26, 790742), (38, 541034), (52, 395371), (76, 270517), (247, 83236), (494, 41618), (988, 20809)]