20797952

素因数分解:

$2^9\times 7^2\times {\mathrm{829}}^1$

素因数の和:861

約数の個数: 60

約数和(自身を含む): 48398130

約数和(自身を除く): 27600178

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 512, 784, 829, 896, 1568, 1658, 1792, 3136, 3316, 3584, 5803, 6272, 6632, 11606, 12544, 13264, 23212, 25088, 26528, 40621, 46424, 53056, 81242, 92848, 106112, 162484, 185696, 212224, 324968, 371392, 424448, 649936, 742784, 1299872, 1485568, 2599744, 2971136, 5199488, 10398976, 20797952]

約数ペア:

[(1, 20797952), (2, 10398976), (4, 5199488), (7, 2971136), (8, 2599744), (14, 1485568), (16, 1299872), (28, 742784), (32, 649936), (49, 424448), (56, 371392), (64, 324968), (98, 212224), (112, 185696), (128, 162484), (196, 106112), (224, 92848), (256, 81242), (392, 53056), (448, 46424), (512, 40621), (784, 26528), (829, 25088), (896, 23212), (1568, 13264), (1658, 12544), (1792, 11606), (3136, 6632), (3316, 6272), (3584, 5803)]