20308964

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{7369}}^1$

素因数の和:7439

約数の個数: 24

約数和(自身を含む): 39002040

約数和(自身を除く): 18693076

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 689, 1378, 2756, 7369, 14738, 29476, 95797, 191594, 383188, 390557, 781114, 1562228, 5077241, 10154482, 20308964]

約数ペア:

[(1, 20308964), (2, 10154482), (4, 5077241), (13, 1562228), (26, 781114), (52, 390557), (53, 383188), (106, 191594), (212, 95797), (689, 29476), (1378, 14738), (2756, 7369)]