20081943

素因数分解:

$3^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{2111}}^1$

素因数の和:2275

約数の個数: 24

約数和(自身を含む): 33386496

約数和(自身を除く): 13304553

約数列:

[1, 3, 7, 9, 21, 63, 151, 453, 1057, 1359, 2111, 3171, 6333, 9513, 14777, 18999, 44331, 132993, 318761, 956283, 2231327, 2868849, 6693981, 20081943]

約数ペア:

[(1, 20081943), (3, 6693981), (7, 2868849), (9, 2231327), (21, 956283), (63, 318761), (151, 132993), (453, 44331), (1057, 18999), (1359, 14777), (2111, 9513), (3171, 6333)]