20675914

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{4091}}^1$

素因数の和:4138

約数の個数: 24

約数和(自身を含む): 37417248

約数和(自身を除く): 16741334

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 361, 722, 2527, 4091, 5054, 8182, 28637, 57274, 77729, 155458, 544103, 1088206, 1476851, 2953702, 10337957, 20675914]

約数ペア:

[(1, 20675914), (2, 10337957), (7, 2953702), (14, 1476851), (19, 1088206), (38, 544103), (133, 155458), (266, 77729), (361, 57274), (722, 28637), (2527, 8182), (4091, 5054)]