20276048

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2267}}^1$

素因数の和:2331

約数の個数: 40

約数和(自身を含む): 43309728

約数和(自身を除く): 23033680

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2236, 2267, 4472, 4534, 8944, 9068, 18136, 29471, 36272, 58942, 97481, 117884, 194962, 235768, 389924, 471536, 779848, 1267253, 1559696, 2534506, 5069012, 10138024, 20276048]

約数ペア:

[(1, 20276048), (2, 10138024), (4, 5069012), (8, 2534506), (13, 1559696), (16, 1267253), (26, 779848), (43, 471536), (52, 389924), (86, 235768), (104, 194962), (172, 117884), (208, 97481), (344, 58942), (559, 36272), (688, 29471), (1118, 18136), (2236, 9068), (2267, 8944), (4472, 4534)]