20943804

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{1493}}^1$

素因数の和:1674

約数の個数: 48

約数和(自身を含む): 56222208

約数和(自身を除く): 35278404

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 167, 334, 501, 668, 1002, 1169, 1493, 2004, 2338, 2986, 3507, 4479, 4676, 5972, 7014, 8958, 10451, 14028, 17916, 20902, 31353, 41804, 62706, 125412, 249331, 498662, 747993, 997324, 1495986, 1745317, 2991972, 3490634, 5235951, 6981268, 10471902, 20943804]

約数ペア:

[(1, 20943804), (2, 10471902), (3, 6981268), (4, 5235951), (6, 3490634), (7, 2991972), (12, 1745317), (14, 1495986), (21, 997324), (28, 747993), (42, 498662), (84, 249331), (167, 125412), (334, 62706), (501, 41804), (668, 31353), (1002, 20902), (1169, 17916), (1493, 14028), (2004, 10451), (2338, 8958), (2986, 7014), (3507, 5972), (4479, 4676)]