20457864

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{40591}}^1$

素因数の和:40610

約数の個数: 48

約数和(自身を含む): 63323520

約数和(自身を除く): 42865656

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 40591, 81182, 121773, 162364, 243546, 284137, 324728, 365319, 487092, 568274, 730638, 852411, 974184, 1136548, 1461276, 1704822, 2273096, 2557233, 2922552, 3409644, 5114466, 6819288, 10228932, 20457864]

約数ペア:

[(1, 20457864), (2, 10228932), (3, 6819288), (4, 5114466), (6, 3409644), (7, 2922552), (8, 2557233), (9, 2273096), (12, 1704822), (14, 1461276), (18, 1136548), (21, 974184), (24, 852411), (28, 730638), (36, 568274), (42, 487092), (56, 365319), (63, 324728), (72, 284137), (84, 243546), (126, 162364), (168, 121773), (252, 81182), (504, 40591)]