20380068

素因数分解:

$2^2\times 3^2\times {\mathrm{211}}^1\times {\mathrm{2683}}^1$

素因数の和:2904

約数の個数: 36

約数和(自身を含む): 51779728

約数和(自身を除く): 31399660

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 211, 422, 633, 844, 1266, 1899, 2532, 2683, 3798, 5366, 7596, 8049, 10732, 16098, 24147, 32196, 48294, 96588, 566113, 1132226, 1698339, 2264452, 3396678, 5095017, 6793356, 10190034, 20380068]

約数ペア:

[(1, 20380068), (2, 10190034), (3, 6793356), (4, 5095017), (6, 3396678), (9, 2264452), (12, 1698339), (18, 1132226), (36, 566113), (211, 96588), (422, 48294), (633, 32196), (844, 24147), (1266, 16098), (1899, 10732), (2532, 8049), (2683, 7596), (3798, 5366)]