22389920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19991}}^1$

素因数の和:20013

約数の個数: 48

約数和(自身を含む): 60455808

約数和(自身を除く): 38065888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 19991, 39982, 79964, 99955, 139937, 159928, 199910, 279874, 319856, 399820, 559748, 639712, 699685, 799640, 1119496, 1399370, 1599280, 2238992, 2798740, 3198560, 4477984, 5597480, 11194960, 22389920]

約数ペア:

[(1, 22389920), (2, 11194960), (4, 5597480), (5, 4477984), (7, 3198560), (8, 2798740), (10, 2238992), (14, 1599280), (16, 1399370), (20, 1119496), (28, 799640), (32, 699685), (35, 639712), (40, 559748), (56, 399820), (70, 319856), (80, 279874), (112, 199910), (140, 159928), (160, 139937), (224, 99955), (280, 79964), (560, 39982), (1120, 19991)]