20893131

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{14419}}^1$

素因数の和:14455

約数の個数: 24

約数和(自身を含む): 35992320

約数和(自身を除く): 15099189

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 14419, 43257, 100933, 129771, 302799, 331637, 908397, 994911, 2321459, 2984733, 6964377, 20893131]

約数ペア:

[(1, 20893131), (3, 6964377), (7, 2984733), (9, 2321459), (21, 994911), (23, 908397), (63, 331637), (69, 302799), (161, 129771), (207, 100933), (483, 43257), (1449, 14419)]