20551502

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1$

素因数の和:416

約数の個数: 32

約数和(自身を含む): 34145280

約数和(自身を除く): 13593778

約数列:

[1, 2, 19, 37, 38, 47, 74, 94, 311, 622, 703, 893, 1406, 1739, 1786, 3478, 5909, 11507, 11818, 14617, 23014, 29234, 33041, 66082, 218633, 277723, 437266, 540829, 555446, 1081658, 10275751, 20551502]

約数ペア:

[(1, 20551502), (2, 10275751), (19, 1081658), (37, 555446), (38, 540829), (47, 437266), (74, 277723), (94, 218633), (311, 66082), (622, 33041), (703, 29234), (893, 23014), (1406, 14617), (1739, 11818), (1786, 11507), (3478, 5909)]