20284758

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3769}}^1$

素因数の和:3813

約数の個数: 48

約数和(自身を含む): 49402080

約数和(自身を除く): 29117322

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 39, 46, 69, 78, 117, 138, 207, 234, 299, 414, 598, 897, 1794, 2691, 3769, 5382, 7538, 11307, 22614, 33921, 48997, 67842, 86687, 97994, 146991, 173374, 260061, 293982, 440973, 520122, 780183, 881946, 1126931, 1560366, 2253862, 3380793, 6761586, 10142379, 20284758]

約数ペア:

[(1, 20284758), (2, 10142379), (3, 6761586), (6, 3380793), (9, 2253862), (13, 1560366), (18, 1126931), (23, 881946), (26, 780183), (39, 520122), (46, 440973), (69, 293982), (78, 260061), (117, 173374), (138, 146991), (207, 97994), (234, 86687), (299, 67842), (414, 48997), (598, 33921), (897, 22614), (1794, 11307), (2691, 7538), (3769, 5382)]