20868477

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{16843}}^1$

素因数の和:16912

約数の個数: 16

約数和(自身を含む): 32340480

約数和(自身を除く): 11472003

約数列:

[1, 3, 7, 21, 59, 177, 413, 1239, 16843, 50529, 117901, 353703, 993737, 2981211, 6956159, 20868477]

約数ペア:

[(1, 20868477), (3, 6956159), (7, 2981211), (21, 993737), (59, 353703), (177, 117901), (413, 50529), (1239, 16843)]