20165527868

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{127}}^1\times {\mathrm{109961}}^1$

素因数の和:110130

約数の個数: 36

約数和(自身を含む): 37538387712

約数和(自身を除く): 17372859844

約数列:

[1, 2, 4, 19, 38, 76, 127, 254, 361, 508, 722, 1444, 2413, 4826, 9652, 45847, 91694, 109961, 183388, 219922, 439844, 2089259, 4178518, 8357036, 13965047, 27930094, 39695921, 55860188, 79391842, 158783684, 265335893, 530671786, 1061343572, 5041381967, 10082763934, 20165527868]

約数ペア:

[(1, 20165527868), (2, 10082763934), (4, 5041381967), (19, 1061343572), (38, 530671786), (76, 265335893), (127, 158783684), (254, 79391842), (361, 55860188), (508, 39695921), (722, 27930094), (1444, 13965047), (2413, 8357036), (4826, 4178518), (9652, 2089259), (45847, 439844), (91694, 219922), (109961, 183388)]