20659548

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18919}}^1$

素因数の和:18946

約数の個数: 48

約数和(自身を含む): 59333120

約数和(自身を除く): 38673572

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 18919, 37838, 56757, 75676, 113514, 132433, 227028, 245947, 264866, 397299, 491894, 529732, 737841, 794598, 983788, 1475682, 1589196, 1721629, 2951364, 3443258, 5164887, 6886516, 10329774, 20659548]

約数ペア:

[(1, 20659548), (2, 10329774), (3, 6886516), (4, 5164887), (6, 3443258), (7, 2951364), (12, 1721629), (13, 1589196), (14, 1475682), (21, 983788), (26, 794598), (28, 737841), (39, 529732), (42, 491894), (52, 397299), (78, 264866), (84, 245947), (91, 227028), (156, 132433), (182, 113514), (273, 75676), (364, 56757), (546, 37838), (1092, 18919)]