20815758

素因数分解:

$2^1\times 3^3\times {\mathrm{269}}^1\times {\mathrm{1433}}^1$

素因数の和:1713

約数の個数: 32

約数和(自身を含む): 46461600

約数和(自身を除く): 25645842

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 269, 538, 807, 1433, 1614, 2421, 2866, 4299, 4842, 7263, 8598, 12897, 14526, 25794, 38691, 77382, 385477, 770954, 1156431, 2312862, 3469293, 6938586, 10407879, 20815758]

約数ペア:

[(1, 20815758), (2, 10407879), (3, 6938586), (6, 3469293), (9, 2312862), (18, 1156431), (27, 770954), (54, 385477), (269, 77382), (538, 38691), (807, 25794), (1433, 14526), (1614, 12897), (2421, 8598), (2866, 7263), (4299, 4842)]