20847612

素因数分解:

$2^2\times 3^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 49900032

約数和(自身を除く): 29052420

約数列:

[1, 2, 3, 4, 6, 12, 101, 103, 167, 202, 206, 303, 309, 334, 404, 412, 501, 606, 618, 668, 1002, 1212, 1236, 2004, 10403, 16867, 17201, 20806, 31209, 33734, 34402, 41612, 50601, 51603, 62418, 67468, 68804, 101202, 103206, 124836, 202404, 206412, 1737301, 3474602, 5211903, 6949204, 10423806, 20847612]

約数ペア:

[(1, 20847612), (2, 10423806), (3, 6949204), (4, 5211903), (6, 3474602), (12, 1737301), (101, 206412), (103, 202404), (167, 124836), (202, 103206), (206, 101202), (303, 68804), (309, 67468), (334, 62418), (404, 51603), (412, 50601), (501, 41612), (606, 34402), (618, 33734), (668, 31209), (1002, 20806), (1212, 17201), (1236, 16867), (2004, 10403)]