20111895

素因数分解:

$3^5\times 5^1\times {\mathrm{16553}}^1$

素因数の和:16573

約数の個数: 24

約数和(自身を含む): 36153936

約数和(自身を除く): 16042041

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 16553, 49659, 82765, 148977, 248295, 446931, 744885, 1340793, 2234655, 4022379, 6703965, 20111895]

約数ペア:

[(1, 20111895), (3, 6703965), (5, 4022379), (9, 2234655), (15, 1340793), (27, 744885), (45, 446931), (81, 248295), (135, 148977), (243, 82765), (405, 49659), (1215, 16553)]