20347084845

素因数分解:

$3^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{663961}}^1$

素因数の和:664202

約数の個数: 32

約数和(自身を含む): 36332000640

約数和(自身を除く): 15984915795

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 227, 681, 1135, 2043, 3405, 6129, 10215, 30645, 663961, 1991883, 3319805, 5975649, 9959415, 17926947, 29878245, 89634735, 150719147, 452157441, 753595735, 1356472323, 2260787205, 4069416969, 6782361615, 20347084845]

約数ペア:

[(1, 20347084845), (3, 6782361615), (5, 4069416969), (9, 2260787205), (15, 1356472323), (27, 753595735), (45, 452157441), (135, 150719147), (227, 89634735), (681, 29878245), (1135, 17926947), (2043, 9959415), (3405, 5975649), (6129, 3319805), (10215, 1991883), (30645, 663961)]