20844544

素因数分解:

$2^{12}\times 7^1\times {\mathrm{727}}^1$

素因数の和:758

約数の個数: 52

約数和(自身を含む): 47704384

約数和(自身を除く): 26859840

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 727, 896, 1024, 1454, 1792, 2048, 2908, 3584, 4096, 5089, 5816, 7168, 10178, 11632, 14336, 20356, 23264, 28672, 40712, 46528, 81424, 93056, 162848, 186112, 325696, 372224, 651392, 744448, 1302784, 1488896, 2605568, 2977792, 5211136, 10422272, 20844544]

約数ペア:

[(1, 20844544), (2, 10422272), (4, 5211136), (7, 2977792), (8, 2605568), (14, 1488896), (16, 1302784), (28, 744448), (32, 651392), (56, 372224), (64, 325696), (112, 186112), (128, 162848), (224, 93056), (256, 81424), (448, 46528), (512, 40712), (727, 28672), (896, 23264), (1024, 20356), (1454, 14336), (1792, 11632), (2048, 10178), (2908, 7168), (3584, 5816), (4096, 5089)]