20193908

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31357}}^1$

素因数の和:31391

約数の個数: 24

約数和(自身を含む): 42145152

約数和(自身を除く): 21951244

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 31357, 62714, 125428, 219499, 438998, 721211, 877996, 1442422, 2884844, 5048477, 10096954, 20193908]

約数ペア:

[(1, 20193908), (2, 10096954), (4, 5048477), (7, 2884844), (14, 1442422), (23, 877996), (28, 721211), (46, 438998), (92, 219499), (161, 125428), (322, 62714), (644, 31357)]