20799367040

素因数分解:

$2^7\times 5^1\times {\mathrm{32499011}}^1$

素因数の和:32499030

約数の個数: 32

約数和(自身を含む): 49723488360

約数和(自身を除く): 28924121320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 32499011, 64998022, 129996044, 162495055, 259992088, 324990110, 519984176, 649980220, 1039968352, 1299960440, 2079936704, 2599920880, 4159873408, 5199841760, 10399683520, 20799367040]

約数ペア:

[(1, 20799367040), (2, 10399683520), (4, 5199841760), (5, 4159873408), (8, 2599920880), (10, 2079936704), (16, 1299960440), (20, 1039968352), (32, 649980220), (40, 519984176), (64, 324990110), (80, 259992088), (128, 162495055), (160, 129996044), (320, 64998022), (640, 32499011)]