20172178

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{1613}}^1$

素因数の和:1678

約数の個数: 24

約数和(自身を含む): 33671268

約数和(自身を除く): 13499090

約数列:

[1, 2, 13, 26, 37, 74, 169, 338, 481, 962, 1613, 3226, 6253, 12506, 20969, 41938, 59681, 119362, 272597, 545194, 775853, 1551706, 10086089, 20172178]

約数ペア:

[(1, 20172178), (2, 10086089), (13, 1551706), (26, 775853), (37, 545194), (74, 272597), (169, 119362), (338, 59681), (481, 41938), (962, 20969), (1613, 12506), (3226, 6253)]