20667582

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{499}}^1$

素因数の和:582

約数の個数: 64

約数和(自身を含む): 50400000

約数和(自身を除く): 29732418

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 59, 78, 117, 118, 177, 234, 351, 354, 499, 531, 702, 767, 998, 1062, 1497, 1534, 1593, 2301, 2994, 3186, 4491, 4602, 6487, 6903, 8982, 12974, 13473, 13806, 19461, 20709, 26946, 29441, 38922, 41418, 58383, 58882, 88323, 116766, 175149, 176646, 264969, 350298, 382733, 529938, 765466, 794907, 1148199, 1589814, 2296398, 3444597, 6889194, 10333791, 20667582]

約数ペア:

[(1, 20667582), (2, 10333791), (3, 6889194), (6, 3444597), (9, 2296398), (13, 1589814), (18, 1148199), (26, 794907), (27, 765466), (39, 529938), (54, 382733), (59, 350298), (78, 264969), (117, 176646), (118, 175149), (177, 116766), (234, 88323), (351, 58882), (354, 58383), (499, 41418), (531, 38922), (702, 29441), (767, 26946), (998, 20709), (1062, 19461), (1497, 13806), (1534, 13473), (1593, 12974), (2301, 8982), (2994, 6903), (3186, 6487), (4491, 4602)]