20451824

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{193}}^1$

素因数の和:417

約数の個数: 40

約数和(自身を含む): 41135760

約数和(自身を除く): 20683936

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 179, 193, 296, 358, 386, 592, 716, 772, 1432, 1544, 2864, 3088, 6623, 7141, 13246, 14282, 26492, 28564, 34547, 52984, 57128, 69094, 105968, 114256, 138188, 276376, 552752, 1278239, 2556478, 5112956, 10225912, 20451824]

約数ペア:

[(1, 20451824), (2, 10225912), (4, 5112956), (8, 2556478), (16, 1278239), (37, 552752), (74, 276376), (148, 138188), (179, 114256), (193, 105968), (296, 69094), (358, 57128), (386, 52984), (592, 34547), (716, 28564), (772, 26492), (1432, 14282), (1544, 13246), (2864, 7141), (3088, 6623)]