20954869

素因数分解:

${\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{311}}^1$

素因数の和:468

約数の個数: 16

約数和(自身を含む): 23272704

約数和(自身を除く): 2317835

約数列:

[1, 13, 71, 73, 311, 923, 949, 4043, 5183, 22081, 22703, 67379, 287053, 295139, 1611913, 20954869]

約数ペア:

[(1, 20954869), (13, 1611913), (71, 295139), (73, 287053), (311, 67379), (923, 22703), (949, 22081), (4043, 5183)]