20422020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3181}}^1$

素因数の和:3300

約数の個数: 48

約数和(自身を含む): 57734208

約数和(自身を除く): 37312188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 214, 321, 428, 535, 642, 1070, 1284, 1605, 2140, 3181, 3210, 6362, 6420, 9543, 12724, 15905, 19086, 31810, 38172, 47715, 63620, 95430, 190860, 340367, 680734, 1021101, 1361468, 1701835, 2042202, 3403670, 4084404, 5105505, 6807340, 10211010, 20422020]

約数ペア:

[(1, 20422020), (2, 10211010), (3, 6807340), (4, 5105505), (5, 4084404), (6, 3403670), (10, 2042202), (12, 1701835), (15, 1361468), (20, 1021101), (30, 680734), (60, 340367), (107, 190860), (214, 95430), (321, 63620), (428, 47715), (535, 38172), (642, 31810), (1070, 19086), (1284, 15905), (1605, 12724), (2140, 9543), (3181, 6420), (3210, 6362)]