20013056

素因数分解:

$2^{13}\times 7^1\times {\mathrm{349}}^1$

素因数の和:382

約数の個数: 56

約数和(自身を含む): 45872400

約数和(自身を除く): 25859344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 349, 448, 512, 698, 896, 1024, 1396, 1792, 2048, 2443, 2792, 3584, 4096, 4886, 5584, 7168, 8192, 9772, 11168, 14336, 19544, 22336, 28672, 39088, 44672, 57344, 78176, 89344, 156352, 178688, 312704, 357376, 625408, 714752, 1250816, 1429504, 2501632, 2859008, 5003264, 10006528, 20013056]

約数ペア:

[(1, 20013056), (2, 10006528), (4, 5003264), (7, 2859008), (8, 2501632), (14, 1429504), (16, 1250816), (28, 714752), (32, 625408), (56, 357376), (64, 312704), (112, 178688), (128, 156352), (224, 89344), (256, 78176), (349, 57344), (448, 44672), (512, 39088), (698, 28672), (896, 22336), (1024, 19544), (1396, 14336), (1792, 11168), (2048, 9772), (2443, 8192), (2792, 7168), (3584, 5584), (4096, 4886)]