20178027076

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{311}}^1\times {\mathrm{463}}^1\times {\mathrm{661}}^1$

素因数の和:1492

約数の個数: 48

約数和(自身を含む): 36226165248

約数和(自身を除く): 16048138172

約数列:

[1, 2, 4, 53, 106, 212, 311, 463, 622, 661, 926, 1244, 1322, 1852, 2644, 16483, 24539, 32966, 35033, 49078, 65932, 70066, 98156, 140132, 143993, 205571, 287986, 306043, 411142, 575972, 612086, 822284, 1224172, 7631629, 10895263, 15263258, 16220279, 21790526, 30526516, 32440558, 43581052, 64881116, 95179373, 190358746, 380717492, 5044506769, 10089013538, 20178027076]

約数ペア:

[(1, 20178027076), (2, 10089013538), (4, 5044506769), (53, 380717492), (106, 190358746), (212, 95179373), (311, 64881116), (463, 43581052), (622, 32440558), (661, 30526516), (926, 21790526), (1244, 16220279), (1322, 15263258), (1852, 10895263), (2644, 7631629), (16483, 1224172), (24539, 822284), (32966, 612086), (35033, 575972), (49078, 411142), (65932, 306043), (70066, 287986), (98156, 205571), (140132, 143993)]