20666509

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{587}}^1$

素因数の和:732

約数の個数: 16

約数和(自身を含む): 23284800

約数和(自身を除く): 2618291

約数列:

[1, 17, 19, 109, 323, 587, 1853, 2071, 9979, 11153, 35207, 63983, 189601, 1087711, 1215677, 20666509]

約数ペア:

[(1, 20666509), (17, 1215677), (19, 1087711), (109, 189601), (323, 63983), (587, 35207), (1853, 11153), (2071, 9979)]