20308808

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{195277}}^1$

素因数の和:195296

約数の個数: 16

約数和(自身を含む): 41008380

約数和(自身を除く): 20699572

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 195277, 390554, 781108, 1562216, 2538601, 5077202, 10154404, 20308808]

約数ペア:

[(1, 20308808), (2, 10154404), (4, 5077202), (8, 2538601), (13, 1562216), (26, 781108), (52, 390554), (104, 195277)]