20253208

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1291}}^1$

素因数の和:1387

約数の個数: 32

約数和(自身を含む): 39767760

約数和(自身を除く): 19514552

約数列:

[1, 2, 4, 8, 37, 53, 74, 106, 148, 212, 296, 424, 1291, 1961, 2582, 3922, 5164, 7844, 10328, 15688, 47767, 68423, 95534, 136846, 191068, 273692, 382136, 547384, 2531651, 5063302, 10126604, 20253208]

約数ペア:

[(1, 20253208), (2, 10126604), (4, 5063302), (8, 2531651), (37, 547384), (53, 382136), (74, 273692), (106, 191068), (148, 136846), (212, 95534), (296, 68423), (424, 47767), (1291, 15688), (1961, 10328), (2582, 7844), (3922, 5164)]