20496266

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1201}}^1$

素因数の和:1286

約数の個数: 32

約数和(自身を含む): 37387008

約数和(自身を除く): 16890742

約数列:

[1, 2, 7, 14, 23, 46, 53, 106, 161, 322, 371, 742, 1201, 1219, 2402, 2438, 8407, 8533, 16814, 17066, 27623, 55246, 63653, 127306, 193361, 386722, 445571, 891142, 1464019, 2928038, 10248133, 20496266]

約数ペア:

[(1, 20496266), (2, 10248133), (7, 2928038), (14, 1464019), (23, 891142), (46, 445571), (53, 386722), (106, 193361), (161, 127306), (322, 63653), (371, 55246), (742, 27623), (1201, 17066), (1219, 16814), (2402, 8533), (2438, 8407)]