20138521551

素因数分解:

$3^1\times {\mathrm{409}}^1\times {\mathrm{971}}^1\times {\mathrm{16903}}^1$

素因数の和:18286

約数の個数: 16

約数和(自身を含む): 26946328320

約数和(自身を除く): 6807806769

約数列:

[1, 3, 409, 971, 1227, 2913, 16903, 50709, 397139, 1191417, 6913327, 16412813, 20739981, 49238439, 6712840517, 20138521551]

約数ペア:

[(1, 20138521551), (3, 6712840517), (409, 49238439), (971, 20739981), (1227, 16412813), (2913, 6913327), (16903, 1191417), (50709, 397139)]