20911406

素因数分解:

$2^1\times {\mathrm{137}}^1\times {\mathrm{167}}^1\times {\mathrm{457}}^1$

素因数の和:763

約数の個数: 16

約数和(自身を含む): 31854816

約数和(自身を除く): 10943410

約数列:

[1, 2, 137, 167, 274, 334, 457, 914, 22879, 45758, 62609, 76319, 125218, 152638, 10455703, 20911406]

約数ペア:

[(1, 20911406), (2, 10455703), (137, 152638), (167, 125218), (274, 76319), (334, 62609), (457, 45758), (914, 22879)]