20658768

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{33107}}^1$

素因数の和:33131

約数の個数: 40

約数和(自身を含む): 57475488

約数和(自身を除く): 36816720

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 33107, 66214, 99321, 132428, 198642, 264856, 397284, 430391, 529712, 794568, 860782, 1291173, 1589136, 1721564, 2582346, 3443128, 5164692, 6886256, 10329384, 20658768]

約数ペア:

[(1, 20658768), (2, 10329384), (3, 6886256), (4, 5164692), (6, 3443128), (8, 2582346), (12, 1721564), (13, 1589136), (16, 1291173), (24, 860782), (26, 794568), (39, 529712), (48, 430391), (52, 397284), (78, 264856), (104, 198642), (156, 132428), (208, 99321), (312, 66214), (624, 33107)]