20445184

素因数分解:

$2^{11}\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 41769000

約数和(自身を除く): 21323816

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 128, 134, 149, 256, 268, 298, 512, 536, 596, 1024, 1072, 1192, 2048, 2144, 2384, 4288, 4768, 8576, 9536, 9983, 17152, 19072, 19966, 34304, 38144, 39932, 68608, 76288, 79864, 137216, 152576, 159728, 305152, 319456, 638912, 1277824, 2555648, 5111296, 10222592, 20445184]

約数ペア:

[(1, 20445184), (2, 10222592), (4, 5111296), (8, 2555648), (16, 1277824), (32, 638912), (64, 319456), (67, 305152), (128, 159728), (134, 152576), (149, 137216), (256, 79864), (268, 76288), (298, 68608), (512, 39932), (536, 38144), (596, 34304), (1024, 19966), (1072, 19072), (1192, 17152), (2048, 9983), (2144, 9536), (2384, 8576), (4288, 4768)]