20929839

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2549}}^1$

素因数の和:2599

約数の個数: 32

約数和(自身を含む): 35251200

約数和(自身を除く): 14321361

約数列:

[1, 3, 7, 17, 21, 23, 51, 69, 119, 161, 357, 391, 483, 1173, 2549, 2737, 7647, 8211, 17843, 43333, 53529, 58627, 129999, 175881, 303331, 410389, 909993, 996659, 1231167, 2989977, 6976613, 20929839]

約数ペア:

[(1, 20929839), (3, 6976613), (7, 2989977), (17, 1231167), (21, 996659), (23, 909993), (51, 410389), (69, 303331), (119, 175881), (161, 129999), (357, 58627), (391, 53529), (483, 43333), (1173, 17843), (2549, 8211), (2737, 7647)]