20889108

素因数分解:

$2^2\times 3^2\times {\mathrm{83}}^1\times {\mathrm{6991}}^1$

素因数の和:7084

約数の個数: 36

約数和(自身を含む): 53446848

約数和(自身を除く): 32557740

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 83, 166, 249, 332, 498, 747, 996, 1494, 2988, 6991, 13982, 20973, 27964, 41946, 62919, 83892, 125838, 251676, 580253, 1160506, 1740759, 2321012, 3481518, 5222277, 6963036, 10444554, 20889108]

約数ペア:

[(1, 20889108), (2, 10444554), (3, 6963036), (4, 5222277), (6, 3481518), (9, 2321012), (12, 1740759), (18, 1160506), (36, 580253), (83, 251676), (166, 125838), (249, 83892), (332, 62919), (498, 41946), (747, 27964), (996, 20973), (1494, 13982), (2988, 6991)]