20218281

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{1259}}^1$

素因数の和:1416

約数の個数: 16

約数和(自身を含む): 27760320

約数和(自身を除く): 7542039

約数列:

[1, 3, 53, 101, 159, 303, 1259, 3777, 5353, 16059, 66727, 127159, 200181, 381477, 6739427, 20218281]

約数ペア:

[(1, 20218281), (3, 6739427), (53, 381477), (101, 200181), (159, 127159), (303, 66727), (1259, 16059), (3777, 5353)]