20219824

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{7753}}^1$

素因数の和:7924

約数の個数: 20

約数和(自身を含む): 39421336

約数和(自身を除く): 19201512

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 7753, 15506, 31012, 62024, 124048, 1263739, 2527478, 5054956, 10109912, 20219824]

約数ペア:

[(1, 20219824), (2, 10109912), (4, 5054956), (8, 2527478), (16, 1263739), (163, 124048), (326, 62024), (652, 31012), (1304, 15506), (2608, 7753)]