20235069

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{601}}^1$

素因数の和:682

約数の個数: 32

約数和(自身を含む): 31785600

約数和(自身を除く): 11550531

約数列:

[1, 3, 9, 27, 29, 43, 87, 129, 261, 387, 601, 783, 1161, 1247, 1803, 3741, 5409, 11223, 16227, 17429, 25843, 33669, 52287, 77529, 156861, 232587, 470583, 697761, 749447, 2248341, 6745023, 20235069]

約数ペア:

[(1, 20235069), (3, 6745023), (9, 2248341), (27, 749447), (29, 697761), (43, 470583), (87, 232587), (129, 156861), (261, 77529), (387, 52287), (601, 33669), (783, 25843), (1161, 17429), (1247, 16227), (1803, 11223), (3741, 5409)]