20090615902

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{275599}}^1$

素因数の和:275776

約数の個数: 32

約数和(自身を含む): 35559014400

約数和(自身を除く): 15468398498

約数列:

[1, 2, 7, 14, 41, 82, 127, 254, 287, 574, 889, 1778, 5207, 10414, 36449, 72898, 275599, 551198, 1929193, 3858386, 11299559, 22599118, 35001073, 70002146, 79096913, 158193826, 245007511, 490015022, 1435043993, 2870087986, 10045307951, 20090615902]

約数ペア:

[(1, 20090615902), (2, 10045307951), (7, 2870087986), (14, 1435043993), (41, 490015022), (82, 245007511), (127, 158193826), (254, 79096913), (287, 70002146), (574, 35001073), (889, 22599118), (1778, 11299559), (5207, 3858386), (10414, 1929193), (36449, 551198), (72898, 275599)]