20916852

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{751}}^1$

素因数の和:980

約数の個数: 48

約数和(自身を含む): 53566464

約数和(自身を除く): 32649612

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 211, 422, 633, 751, 844, 1266, 1502, 2253, 2321, 2532, 3004, 4506, 4642, 6963, 8261, 9012, 9284, 13926, 16522, 24783, 27852, 33044, 49566, 99132, 158461, 316922, 475383, 633844, 950766, 1743071, 1901532, 3486142, 5229213, 6972284, 10458426, 20916852]

約数ペア:

[(1, 20916852), (2, 10458426), (3, 6972284), (4, 5229213), (6, 3486142), (11, 1901532), (12, 1743071), (22, 950766), (33, 633844), (44, 475383), (66, 316922), (132, 158461), (211, 99132), (422, 49566), (633, 33044), (751, 27852), (844, 24783), (1266, 16522), (1502, 13926), (2253, 9284), (2321, 9012), (2532, 8261), (3004, 6963), (4506, 4642)]