20440210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2729}}^1$

素因数の和:2850

約数の個数: 32

約数和(自身を含む): 42456960

約数和(自身を除く): 22016750

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 107, 214, 535, 749, 1070, 1498, 2729, 3745, 5458, 7490, 13645, 19103, 27290, 38206, 95515, 191030, 292003, 584006, 1460015, 2044021, 2920030, 4088042, 10220105, 20440210]

約数ペア:

[(1, 20440210), (2, 10220105), (5, 4088042), (7, 2920030), (10, 2044021), (14, 1460015), (35, 584006), (70, 292003), (107, 191030), (214, 95515), (535, 38206), (749, 27290), (1070, 19103), (1498, 13645), (2729, 7490), (3745, 5458)]