20874238

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1523}}^1$

素因数の和:1632

約数の個数: 32

約数和(自身を含む): 39502080

約数和(自身を除く): 18627842

約数列:

[1, 2, 7, 11, 14, 22, 77, 89, 154, 178, 623, 979, 1246, 1523, 1958, 3046, 6853, 10661, 13706, 16753, 21322, 33506, 117271, 135547, 234542, 271094, 948829, 1491017, 1897658, 2982034, 10437119, 20874238]

約数ペア:

[(1, 20874238), (2, 10437119), (7, 2982034), (11, 1897658), (14, 1491017), (22, 948829), (77, 271094), (89, 234542), (154, 135547), (178, 117271), (623, 33506), (979, 21322), (1246, 16753), (1523, 13706), (1958, 10661), (3046, 6853)]