20925408

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{31139}}^1$

素因数の和:31159

約数の個数: 48

約数和(自身を含む): 62778240

約数和(自身を除く): 41852832

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 31139, 62278, 93417, 124556, 186834, 217973, 249112, 373668, 435946, 498224, 653919, 747336, 871892, 996448, 1307838, 1494672, 1743784, 2615676, 2989344, 3487568, 5231352, 6975136, 10462704, 20925408]

約数ペア:

[(1, 20925408), (2, 10462704), (3, 6975136), (4, 5231352), (6, 3487568), (7, 2989344), (8, 2615676), (12, 1743784), (14, 1494672), (16, 1307838), (21, 996448), (24, 871892), (28, 747336), (32, 653919), (42, 498224), (48, 435946), (56, 373668), (84, 249112), (96, 217973), (112, 186834), (168, 124556), (224, 93417), (336, 62278), (672, 31139)]