20273152

素因数分解:

$2^{11}\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 42751800

約数和(自身を除く): 22478648

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 521, 608, 1024, 1042, 1216, 2048, 2084, 2432, 4168, 4864, 8336, 9728, 9899, 16672, 19456, 19798, 33344, 38912, 39596, 66688, 79192, 133376, 158384, 266752, 316768, 533504, 633536, 1067008, 1267072, 2534144, 5068288, 10136576, 20273152]

約数ペア:

[(1, 20273152), (2, 10136576), (4, 5068288), (8, 2534144), (16, 1267072), (19, 1067008), (32, 633536), (38, 533504), (64, 316768), (76, 266752), (128, 158384), (152, 133376), (256, 79192), (304, 66688), (512, 39596), (521, 38912), (608, 33344), (1024, 19798), (1042, 19456), (1216, 16672), (2048, 9899), (2084, 9728), (2432, 8336), (4168, 4864)]