20504361

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{4691}}^1$

素因数の和:4772

約数の個数: 16

約数和(自身を含む): 28827648

約数和(自身を除く): 8323287

約数列:

[1, 3, 31, 47, 93, 141, 1457, 4371, 4691, 14073, 145421, 220477, 436263, 661431, 6834787, 20504361]

約数ペア:

[(1, 20504361), (3, 6834787), (31, 661431), (47, 436263), (93, 220477), (141, 145421), (1457, 14073), (4371, 4691)]