20803885135

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^2\times {\mathrm{65003}}^1$

素因数の和:65076

約数の個数: 36

約数和(自身を含む): 28685875176

約数和(自身を除く): 7881990041

約数列:

[1, 5, 11, 23, 55, 115, 121, 253, 529, 605, 1265, 2645, 2783, 5819, 13915, 29095, 64009, 65003, 320045, 325015, 715033, 1495069, 3575165, 7475345, 7865363, 16445759, 34386587, 39326815, 82228795, 171932935, 180903349, 378252457, 904516745, 1891262285, 4160777027, 20803885135]

約数ペア:

[(1, 20803885135), (5, 4160777027), (11, 1891262285), (23, 904516745), (55, 378252457), (115, 180903349), (121, 171932935), (253, 82228795), (529, 39326815), (605, 34386587), (1265, 16445759), (2645, 7865363), (2783, 7475345), (5819, 3575165), (13915, 1495069), (29095, 715033), (64009, 325015), (65003, 320045)]