20000768

素因数分解:

$2^{12}\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:300

約数の個数: 52

約数和(自身を含む): 42265560

約数和(自身を除く): 22264792

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 257, 304, 512, 514, 608, 1024, 1028, 1216, 2048, 2056, 2432, 4096, 4112, 4864, 4883, 8224, 9728, 9766, 16448, 19456, 19532, 32896, 38912, 39064, 65792, 77824, 78128, 131584, 156256, 263168, 312512, 526336, 625024, 1052672, 1250048, 2500096, 5000192, 10000384, 20000768]

約数ペア:

[(1, 20000768), (2, 10000384), (4, 5000192), (8, 2500096), (16, 1250048), (19, 1052672), (32, 625024), (38, 526336), (64, 312512), (76, 263168), (128, 156256), (152, 131584), (256, 78128), (257, 77824), (304, 65792), (512, 39064), (514, 38912), (608, 32896), (1024, 19532), (1028, 19456), (1216, 16448), (2048, 9766), (2056, 9728), (2432, 8224), (4096, 4883), (4112, 4864)]