20897792

素因数分解:

$2^{13}\times {\mathrm{2551}}^1$

素因数の和:2577

約数の個数: 28

約数和(自身を含む): 41809416

約数和(自身を除く): 20911624

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 2551, 4096, 5102, 8192, 10204, 20408, 40816, 81632, 163264, 326528, 653056, 1306112, 2612224, 5224448, 10448896, 20897792]

約数ペア:

[(1, 20897792), (2, 10448896), (4, 5224448), (8, 2612224), (16, 1306112), (32, 653056), (64, 326528), (128, 163264), (256, 81632), (512, 40816), (1024, 20408), (2048, 10204), (2551, 8192), (4096, 5102)]