20615196

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{245419}}^1$

素因数の和:245433

約数の個数: 24

約数和(自身を含む): 54974080

約数和(自身を除く): 34358884

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 245419, 490838, 736257, 981676, 1472514, 1717933, 2945028, 3435866, 5153799, 6871732, 10307598, 20615196]

約数ペア:

[(1, 20615196), (2, 10307598), (3, 6871732), (4, 5153799), (6, 3435866), (7, 2945028), (12, 1717933), (14, 1472514), (21, 981676), (28, 736257), (42, 490838), (84, 245419)]