20761716

素因数分解:

$2^2\times 3^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{251}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 49871808

約数和(自身を除く): 29110092

約数列:

[1, 2, 3, 4, 6, 12, 61, 113, 122, 183, 226, 244, 251, 339, 366, 452, 502, 678, 732, 753, 1004, 1356, 1506, 3012, 6893, 13786, 15311, 20679, 27572, 28363, 30622, 41358, 45933, 56726, 61244, 82716, 85089, 91866, 113452, 170178, 183732, 340356, 1730143, 3460286, 5190429, 6920572, 10380858, 20761716]

約数ペア:

[(1, 20761716), (2, 10380858), (3, 6920572), (4, 5190429), (6, 3460286), (12, 1730143), (61, 340356), (113, 183732), (122, 170178), (183, 113452), (226, 91866), (244, 85089), (251, 82716), (339, 61244), (366, 56726), (452, 45933), (502, 41358), (678, 30622), (732, 28363), (753, 27572), (1004, 20679), (1356, 15311), (1506, 13786), (3012, 6893)]