20378203184

素因数分解:

$2^4\times {\mathrm{307}}^1\times {\mathrm{4148657}}^1$

素因数の和:4148972

約数の個数: 20

約数和(自身を含む): 39611386584

約数和(自身を除く): 19233183400

約数列:

[1, 2, 4, 8, 16, 307, 614, 1228, 2456, 4912, 4148657, 8297314, 16594628, 33189256, 66378512, 1273637699, 2547275398, 5094550796, 10189101592, 20378203184]

約数ペア:

[(1, 20378203184), (2, 10189101592), (4, 5094550796), (8, 2547275398), (16, 1273637699), (307, 66378512), (614, 33189256), (1228, 16594628), (2456, 8297314), (4912, 4148657)]