20774523

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{647}}^1$

素因数の和:807

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 14061957

約数列:

[1, 3, 7, 11, 21, 33, 77, 139, 231, 417, 647, 973, 1529, 1941, 2919, 4529, 4587, 7117, 10703, 13587, 21351, 32109, 49819, 89933, 149457, 269799, 629531, 989263, 1888593, 2967789, 6924841, 20774523]

約数ペア:

[(1, 20774523), (3, 6924841), (7, 2967789), (11, 1888593), (21, 989263), (33, 629531), (77, 269799), (139, 149457), (231, 89933), (417, 49819), (647, 32109), (973, 21351), (1529, 13587), (1941, 10703), (2919, 7117), (4529, 4587)]