20827648

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{2141}}^1$

素因数の和:2178

約数の個数: 40

約数和(自身を含む): 43825320

約数和(自身を除く): 22997672

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 1216, 2141, 2432, 4282, 4864, 8564, 9728, 17128, 34256, 40679, 68512, 81358, 137024, 162716, 274048, 325432, 548096, 650864, 1096192, 1301728, 2603456, 5206912, 10413824, 20827648]

約数ペア:

[(1, 20827648), (2, 10413824), (4, 5206912), (8, 2603456), (16, 1301728), (19, 1096192), (32, 650864), (38, 548096), (64, 325432), (76, 274048), (128, 162716), (152, 137024), (256, 81358), (304, 68512), (512, 40679), (608, 34256), (1216, 17128), (2141, 9728), (2432, 8564), (4282, 4864)]