20273019

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 31046400

約数和(自身を除く): 10773381

約数列:

[1, 3, 13, 19, 39, 57, 109, 247, 251, 327, 741, 753, 1417, 2071, 3263, 4251, 4769, 6213, 9789, 14307, 26923, 27359, 61997, 80769, 82077, 185991, 355667, 519821, 1067001, 1559463, 6757673, 20273019]

約数ペア:

[(1, 20273019), (3, 6757673), (13, 1559463), (19, 1067001), (39, 519821), (57, 355667), (109, 185991), (247, 82077), (251, 80769), (327, 61997), (741, 27359), (753, 26923), (1417, 14307), (2071, 9789), (3263, 6213), (4251, 4769)]