20239744

素因数分解:

$2^7\times 7^3\times {\mathrm{461}}^1$

素因数の和:496

約数の個数: 64

約数和(自身を含む): 47124000

約数和(自身を除く): 26884256

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 343, 392, 448, 461, 686, 784, 896, 922, 1372, 1568, 1844, 2744, 3136, 3227, 3688, 5488, 6272, 6454, 7376, 10976, 12908, 14752, 21952, 22589, 25816, 29504, 43904, 45178, 51632, 59008, 90356, 103264, 158123, 180712, 206528, 316246, 361424, 413056, 632492, 722848, 1264984, 1445696, 2529968, 2891392, 5059936, 10119872, 20239744]

約数ペア:

[(1, 20239744), (2, 10119872), (4, 5059936), (7, 2891392), (8, 2529968), (14, 1445696), (16, 1264984), (28, 722848), (32, 632492), (49, 413056), (56, 361424), (64, 316246), (98, 206528), (112, 180712), (128, 158123), (196, 103264), (224, 90356), (343, 59008), (392, 51632), (448, 45178), (461, 43904), (686, 29504), (784, 25816), (896, 22589), (922, 21952), (1372, 14752), (1568, 12908), (1844, 10976), (2744, 7376), (3136, 6454), (3227, 6272), (3688, 5488)]