20487045

素因数分解:

$3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{6473}}^1$

素因数の和:6692

約数の個数: 16

約数和(自身を含む): 32939712

約数和(自身を除く): 12452667

約数列:

[1, 3, 5, 15, 211, 633, 1055, 3165, 6473, 19419, 32365, 97095, 1365803, 4097409, 6829015, 20487045]

約数ペア:

[(1, 20487045), (3, 6829015), (5, 4097409), (15, 1365803), (211, 97095), (633, 32365), (1055, 19419), (3165, 6473)]