20161434460

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1\times {\mathrm{28793}}^1$

素因数の和:29182

約数の個数: 48

約数和(自身を含む): 42801244416

約数和(自身を除く): 22639809956

約数列:

[1, 2, 4, 5, 10, 20, 157, 223, 314, 446, 628, 785, 892, 1115, 1570, 2230, 3140, 4460, 28793, 35011, 57586, 70022, 115172, 140044, 143965, 175055, 287930, 350110, 575860, 700220, 4520501, 6420839, 9041002, 12841678, 18082004, 22602505, 25683356, 32104195, 45205010, 64208390, 90410020, 128416780, 1008071723, 2016143446, 4032286892, 5040358615, 10080717230, 20161434460]

約数ペア:

[(1, 20161434460), (2, 10080717230), (4, 5040358615), (5, 4032286892), (10, 2016143446), (20, 1008071723), (157, 128416780), (223, 90410020), (314, 64208390), (446, 45205010), (628, 32104195), (785, 25683356), (892, 22602505), (1115, 18082004), (1570, 12841678), (2230, 9041002), (3140, 6420839), (4460, 4520501), (28793, 700220), (35011, 575860), (57586, 350110), (70022, 287930), (115172, 175055), (140044, 143965)]