20908198

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:372

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 13928282

約数列:

[1, 2, 17, 31, 34, 62, 83, 166, 239, 478, 527, 1054, 1411, 2573, 2822, 4063, 5146, 7409, 8126, 14818, 19837, 39674, 43741, 87482, 125953, 251906, 337229, 614947, 674458, 1229894, 10454099, 20908198]

約数ペア:

[(1, 20908198), (2, 10454099), (17, 1229894), (31, 674458), (34, 614947), (62, 337229), (83, 251906), (166, 125953), (239, 87482), (478, 43741), (527, 39674), (1054, 19837), (1411, 14818), (2573, 8126), (2822, 7409), (4063, 5146)]