20123691

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{13127}}^1$

素因数の和:13210

約数の個数: 16

約数和(自身を含む): 31087104

約数和(自身を除く): 10963413

約数列:

[1, 3, 7, 21, 73, 219, 511, 1533, 13127, 39381, 91889, 275667, 958271, 2874813, 6707897, 20123691]

約数ペア:

[(1, 20123691), (3, 6707897), (7, 2874813), (21, 958271), (73, 275667), (219, 91889), (511, 39381), (1533, 13127)]