20651874

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{643}}^1$

素因数の和:802

約数の個数: 32

約数和(自身を含む): 42565824

約数和(自身を除く): 21913950

約数列:

[1, 2, 3, 6, 53, 101, 106, 159, 202, 303, 318, 606, 643, 1286, 1929, 3858, 5353, 10706, 16059, 32118, 34079, 64943, 68158, 102237, 129886, 194829, 204474, 389658, 3441979, 6883958, 10325937, 20651874]

約数ペア:

[(1, 20651874), (2, 10325937), (3, 6883958), (6, 3441979), (53, 389658), (101, 204474), (106, 194829), (159, 129886), (202, 102237), (303, 68158), (318, 64943), (606, 34079), (643, 32118), (1286, 16059), (1929, 10706), (3858, 5353)]