20659608

素因数分解:

$2^3\times 3^2\times {\mathrm{43}}^1\times {\mathrm{6673}}^1$

素因数の和:6728

約数の個数: 48

約数和(自身を含む): 57262920

約数和(自身を除く): 36603312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 43, 72, 86, 129, 172, 258, 344, 387, 516, 774, 1032, 1548, 3096, 6673, 13346, 20019, 26692, 40038, 53384, 60057, 80076, 120114, 160152, 240228, 286939, 480456, 573878, 860817, 1147756, 1721634, 2295512, 2582451, 3443268, 5164902, 6886536, 10329804, 20659608]

約数ペア:

[(1, 20659608), (2, 10329804), (3, 6886536), (4, 5164902), (6, 3443268), (8, 2582451), (9, 2295512), (12, 1721634), (18, 1147756), (24, 860817), (36, 573878), (43, 480456), (72, 286939), (86, 240228), (129, 160152), (172, 120114), (258, 80076), (344, 60057), (387, 53384), (516, 40038), (774, 26692), (1032, 20019), (1548, 13346), (3096, 6673)]