20535536

素因数分解:

$2^4\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1013}}^1$

素因数の和:1209

約数の個数: 40

約数和(自身を含む): 45767904

約数和(自身を除く): 25232368

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 181, 362, 724, 1013, 1267, 1448, 2026, 2534, 2896, 4052, 5068, 7091, 8104, 10136, 14182, 16208, 20272, 28364, 56728, 113456, 183353, 366706, 733412, 1283471, 1466824, 2566942, 2933648, 5133884, 10267768, 20535536]

約数ペア:

[(1, 20535536), (2, 10267768), (4, 5133884), (7, 2933648), (8, 2566942), (14, 1466824), (16, 1283471), (28, 733412), (56, 366706), (112, 183353), (181, 113456), (362, 56728), (724, 28364), (1013, 20272), (1267, 16208), (1448, 14182), (2026, 10136), (2534, 8104), (2896, 7091), (4052, 5068)]