20748596

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{163}}^1\times {\mathrm{263}}^1$

素因数の和:452

約数の個数: 36

約数和(自身を含む): 40308576

約数和(自身を除く): 19559980

約数列:

[1, 2, 4, 11, 22, 44, 121, 163, 242, 263, 326, 484, 526, 652, 1052, 1793, 2893, 3586, 5786, 7172, 11572, 19723, 31823, 39446, 42869, 63646, 78892, 85738, 127292, 171476, 471559, 943118, 1886236, 5187149, 10374298, 20748596]

約数ペア:

[(1, 20748596), (2, 10374298), (4, 5187149), (11, 1886236), (22, 943118), (44, 471559), (121, 171476), (163, 127292), (242, 85738), (263, 78892), (326, 63646), (484, 42869), (526, 39446), (652, 31823), (1052, 19723), (1793, 11572), (2893, 7172), (3586, 5786)]