20163517928

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{433}}^1\times {\mathrm{157321}}^1$

素因数の和:157797

約数の個数: 32

約数和(自身を含む): 38918316360

約数和(自身を除く): 18754798432

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 433, 866, 1732, 3464, 16021, 32042, 64084, 128168, 157321, 314642, 629284, 1258568, 5820877, 11641754, 23283508, 46567016, 68119993, 136239986, 272479972, 544959944, 2520439741, 5040879482, 10081758964, 20163517928]

約数ペア:

[(1, 20163517928), (2, 10081758964), (4, 5040879482), (8, 2520439741), (37, 544959944), (74, 272479972), (148, 136239986), (296, 68119993), (433, 46567016), (866, 23283508), (1732, 11641754), (3464, 5820877), (16021, 1258568), (32042, 629284), (64084, 314642), (128168, 157321)]