20736156945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{819449}}^1$

素因数の和:819705

約数の個数: 32

約数和(自身を含む): 38074924800

約数和(自身を除く): 17338767855

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 241, 723, 1205, 1687, 3615, 5061, 8435, 25305, 819449, 2458347, 4097245, 5736143, 12291735, 17208429, 28680715, 86042145, 197487209, 592461627, 987436045, 1382410463, 2962308135, 4147231389, 6912052315, 20736156945]

約数ペア:

[(1, 20736156945), (3, 6912052315), (5, 4147231389), (7, 2962308135), (15, 1382410463), (21, 987436045), (35, 592461627), (105, 197487209), (241, 86042145), (723, 28680715), (1205, 17208429), (1687, 12291735), (3615, 5736143), (5061, 4097245), (8435, 2458347), (25305, 819449)]