20363720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{39161}}^1$

素因数の和:39185

約数の個数: 32

約数和(自身を含む): 49344120

約数和(自身を除く): 28980400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 39161, 78322, 156644, 195805, 313288, 391610, 509093, 783220, 1018186, 1566440, 2036372, 2545465, 4072744, 5090930, 10181860, 20363720]

約数ペア:

[(1, 20363720), (2, 10181860), (4, 5090930), (5, 4072744), (8, 2545465), (10, 2036372), (13, 1566440), (20, 1018186), (26, 783220), (40, 509093), (52, 391610), (65, 313288), (104, 195805), (130, 156644), (260, 78322), (520, 39161)]