20523690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20731}}^1$

素因数の和:20755

約数の個数: 48

約数和(自身を含む): 58215456

約数和(自身を除く): 37691766

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 20731, 41462, 62193, 103655, 124386, 186579, 207310, 228041, 310965, 373158, 456082, 621930, 684123, 932895, 1140205, 1368246, 1865790, 2052369, 2280410, 3420615, 4104738, 6841230, 10261845, 20523690]

約数ペア:

[(1, 20523690), (2, 10261845), (3, 6841230), (5, 4104738), (6, 3420615), (9, 2280410), (10, 2052369), (11, 1865790), (15, 1368246), (18, 1140205), (22, 932895), (30, 684123), (33, 621930), (45, 456082), (55, 373158), (66, 310965), (90, 228041), (99, 207310), (110, 186579), (165, 124386), (198, 103655), (330, 62193), (495, 41462), (990, 20731)]